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Problemi più comuni

Livello	Argomento	Problema	Problema formattato
3501	Trovare l'Inversa	[[0.8,0.3],[0.2,0.7]]	$[\begin{array}{c} 0.8 & 0.3 \\ 0.2 & 0.7 \end{array}]$
3502	Trovare il Determinante	[[4000,300,10,4319],[3000,0,0,3003],[2000,900,90,2996],[1000,0,10,1015]]	$[\begin{array}{c} 4000 & 300 & 10 & 4319 \\ 3000 & 0 & 0 & 3003 \\ 2000 & 900 & 90 & 2996 \\ 1000 & 0 & 10 & 1015 \end{array}]$
3503	Trovare il Determinante	[[4-x,2],[-5,-2-x]]	$[\begin{array}{c} 4 - x & 2 \\ - 5 & - 2 - x \end{array}]$
3504	Trovare il Determinante	[[5,2,1],[8,5,8],[1,8,6]]	$[\begin{array}{c} 5 & 2 & 1 \\ 8 & 5 & 8 \\ 1 & 8 & 6 \end{array}]$
3505	Trovare il Determinante	[[5,22],[5,2]]	$[\begin{array}{c} 5 & 22 \\ 5 & 2 \end{array}]$
3506	Trovare il Determinante	[[5,3,-2],[-3,-4,7],[5,1,1]]	$[\begin{array}{c} 5 & 3 & - 2 \\ - 3 & - 4 & 7 \\ 5 & 1 & 1 \end{array}]$
3507	Trovare il Determinante	[[5,3],[4,6]]	$[\begin{array}{c} 5 & 3 \\ 4 & 6 \end{array}]$
3508	Trovare il Determinante	[[-5,-6,0],[0,8,10],[9,9,-10]]	$[\begin{array}{c} - 5 & - 6 & 0 \\ 0 & 8 & 10 \\ 9 & 9 & - 10 \end{array}]$
3509	Trovare il Determinante	[[6,2],[2,-9]]	$[\begin{array}{c} 6 & 2 \\ 2 & - 9 \end{array}]$
3510	Trovare il Determinante	[[3,4,5],[-4,6,3],[1,-4,3]]	$[\begin{array}{c} 3 & 4 & 5 \\ - 4 & 6 & 3 \\ 1 & - 4 & 3 \end{array}]$
3511	Trovare il Determinante	[[36,-1,-3],[53,4,-8],[9,-6,-9]]	$[\begin{array}{c} 36 & - 1 & - 3 \\ 53 & 4 & - 8 \\ 9 & - 6 & - 9 \end{array}]$
3512	Trovare il Determinante	[[-3i,6j],[5i,2j]]	$[\begin{array}{c} - 3 i & 6 j \\ 5 i & 2 j \end{array}]$
3513	Trovare il Determinante	[[4,-3],[28,4]]	$[\begin{array}{c} 4 & - 3 \\ 28 & 4 \end{array}]$
3514	Trovare il Determinante	[[4,3],[3,3]]	$[\begin{array}{c} 4 & 3 \\ 3 & 3 \end{array}]$
3515	Trovare il Determinante	[[-4,3],[8,-6]]	$[\begin{array}{c} - 4 & 3 \\ 8 & - 6 \end{array}]$
3516	Trovare il Determinante	[[4,5],[2,6]]	$[\begin{array}{c} 4 & 5 \\ 2 & 6 \end{array}]$
3517	Trovare il Determinante	[[4,56,7],[r,r,4],[3,5,8]]	$[\begin{array}{c} 4 & 56 & 7 \\ r & r & 4 \\ 3 & 5 & 8 \end{array}]$
3518	Trovare l'Inversa	A=[[0,19],[0,1]]	$A = [\begin{array}{c} 0 & 19 \\ 0 & 1 \end{array}]$
3519	Trovare l'Inversa	A=[[0.4,0.2],[0.3,0.1]]	$A = [\begin{array}{c} 0.4 & 0.2 \\ 0.3 & 0.1 \end{array}]$
3520	Trovare l'Inversa	A=[[1,2,0],[-2,-2,1],[0,-1,-1]]	$A = [\begin{array}{c} 1 & 2 & 0 \\ - 2 & - 2 & 1 \\ 0 & - 1 & - 1 \end{array}]$
3521	Trovare l'Inversa	A=[[-5,2],[0,4]]=3a	$A = [\begin{array}{c} - 5 & 2 \\ 0 & 4 \end{array}] = 3 a$
3522	Trovare l'Inversa	a=[[5,3],[13,8]]	$a = [\begin{array}{c} 5 & 3 \\ 13 & 8 \end{array}]$
3523	Trovare l'Inversa	A=[[5,9],[9,1]]	$A = [\begin{array}{c} 5 & 9 \\ 9 & 1 \end{array}]$
3524	Trovare l'Inversa	a=[[6,2],[5,2]]	$a = [\begin{array}{c} 6 & 2 \\ 5 & 2 \end{array}]$
3525	Trovare l'Inversa	A=[[6,5],[6,7]]	$A = [\begin{array}{c} 6 & 5 \\ 6 & 7 \end{array}]$
3526	Trovare l'Inversa	A-5i=[[9,-1,3],[-8,7,6],[-4,1,8]]	$A - 5 i = [\begin{array}{c} 9 & - 1 & 3 \\ - 8 & 7 & 6 \\ - 4 & 1 & 8 \end{array}]$
3527	Trovare l'Inversa	[[5,-3],[2,-1]]	$[\begin{array}{c} 5 & - 3 \\ 2 & - 1 \end{array}]$
3528	Trovare l'Inversa	M=[[0,-1],[4,5]]	$M = [\begin{array}{c} 0 & - 1 \\ 4 & 5 \end{array}]$
3529	Trovare l'Inversa	M=[[-1,-6],[2,12]]	$M = [\begin{array}{c} - 1 & - 6 \\ 2 & 12 \end{array}]$
3530	Trovare l'Inversa	M=[[-2,3],[2,-1]]	$M = [\begin{array}{c} - 2 & 3 \\ 2 & - 1 \end{array}]$
3531	Trovare l'Inversa	M=[[5,-1],[-4,1]]	$M = [\begin{array}{c} 5 & - 1 \\ - 4 & 1 \end{array}]$
3532	Trovare l'Inversa	[[-(11/27),-(13/27),8/27],[-5/81,-1/81,11/81],[34/81,23/81,-10/81]]	$[\begin{array}{c} - (\frac{11}{27}) & - (\frac{13}{27}) & \frac{8}{27} \\ - \frac{5}{81} & - \frac{1}{81} & \frac{11}{81} \\ \frac{34}{81} & \frac{23}{81} & - \frac{10}{81} \end{array}]$
3533	Trovare l'Inversa	[[0.25,0.08],[0.32,0.1]]	$[\begin{array}{c} 0.25 & 0.08 \\ 0.32 & 0.1 \end{array}]$
3534	Trovare l'Inversa	[[0.27,0.07],[0.32,0.13]]	$[\begin{array}{c} 0.27 & 0.07 \\ 0.32 & 0.13 \end{array}]$
3535	Trovare l'Inversa	[[0.4,0.2,0.4],[0.3,0.45,0.25],[0.45,0.1,0.45]]	$[\begin{array}{c} 0.4 & 0.2 & 0.4 \\ 0.3 & 0.45 & 0.25 \\ 0.45 & 0.1 & 0.45 \end{array}]$
3536	Trovare l'Inversa	[[0.5,0.1,0.2],[0.3,0.6,0.4],[0.2,0.3,0.4]]	$[\begin{array}{c} 0.5 & 0.1 & 0.2 \\ 0.3 & 0.6 & 0.4 \\ 0.2 & 0.3 & 0.4 \end{array}]$
3537	Trovare l'Inversa	[[0.5,0.1,0.4],[0.7,0.3,0.0],[0.0,0.5,0.5]]	$[\begin{array}{c} 0.5 & 0.1 & 0.4 \\ 0.7 & 0.3 & 0 \\ 0 & 0.5 & 0.5 \end{array}]$
3538	Trovare l'Inversa	[[0.6,-0.4,-0.4],[-0.2,0.8,-0.2],[-0.6,-0.1,0.9]]	$[\begin{array}{c} 0.6 & - 0.4 & - 0.4 \\ - 0.2 & 0.8 & - 0.2 \\ - 0.6 & - 0.1 & 0.9 \end{array}]$
3539	Trovare l'Inversa	[[0.7,-0.2],[-3.5,0.6]]	$[\begin{array}{c} 0.7 & - 0.2 \\ - 3.5 & 0.6 \end{array}]$
3540	Trovare l'Inversa	[[0.73,-0.07],[-0.32,0.87]]	$[\begin{array}{c} 0.73 & - 0.07 \\ - 0.32 & 0.87 \end{array}]$
3541	Trovare l'Inversa	[[0.74,-0.08],[-0.32,0.88]]	$[\begin{array}{c} 0.74 & - 0.08 \\ - 0.32 & 0.88 \end{array}]$
3542	Trovare l'Inversa	[[0.75,-0.07],[-0.31,0.89]]	$[\begin{array}{c} 0.75 & - 0.07 \\ - 0.31 & 0.89 \end{array}]$
3543	Trovare l'Inversa	[[0.75,-0.07],[-0.33,0.89]]	$[\begin{array}{c} 0.75 & - 0.07 \\ - 0.33 & 0.89 \end{array}]$
3544	Trovare l'Inversa	[[0.8,0.1],[0.2,0.4]]	$[\begin{array}{c} 0.8 & 0.1 \\ 0.2 & 0.4 \end{array}]$
3545	Trovare l'Inversa	[[0.8,-0.2,0],[-0.2,0.6,-0.2],[0,-0.2,0.8]]	$[\begin{array}{c} 0.8 & - 0.2 & 0 \\ - 0.2 & 0.6 & - 0.2 \\ 0 & - 0.2 & 0.8 \end{array}]$
3546	Trovare l'Inversa	[[0.8,0,-0.4],[0,0.5,-0.25],[0,-0.5,0.75]]	$[\begin{array}{c} 0.8 & 0 & - 0.4 \\ 0 & 0.5 & - 0.25 \\ 0 & - 0.5 & 0.75 \end{array}]$
3547	Trovare l'Inversa	[[0.9,0.1,0],[0.15,0.6,0.25],[0,0.15,0.85]]	$[\begin{array}{c} 0.9 & 0.1 & 0 \\ 0.15 & 0.6 & 0.25 \\ 0 & 0.15 & 0.85 \end{array}]$
3548	Trovare l'Inversa	[[1/6,1/3],[1/2,0]]	$[\begin{array}{c} \frac{1}{6} & \frac{1}{3} \\ \frac{1}{2} & 0 \end{array}]$
3549	Trovare l'Inversa	[[0,0,0,-1],[0,0,2,0],[1,0,0,0],[0,3,0,0]]	$[\begin{array}{c} 0 & 0 & 0 & - 1 \\ 0 & 0 & 2 & 0 \\ 1 & 0 & 0 & 0 \\ 0 & 3 & 0 & 0 \end{array}]$
3550	Trovare l'Inversa	[[0,0,1,0],[0,1,0,0],[1,0,0,0],[0,0,0,1]]	$[\begin{array}{c} 0 & 0 & 1 & 0 \\ 0 & 1 & 0 & 0 \\ 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 1 \end{array}]$
3551	Trovare l'Inversa	[[0.2,0,-0.02],[0,0.5,-0.05],[0,-0.5,0.15]]	$[\begin{array}{c} 0.2 & 0 & - 0.02 \\ 0 & 0.5 & - 0.05 \\ 0 & - 0.5 & 0.15 \end{array}]$
3552	Trovare l'Inversa	[[0.23,0.08],[0.34,0.13]]	$[\begin{array}{c} 0.23 & 0.08 \\ 0.34 & 0.13 \end{array}]$
3553	Trovare l'Inversa	[[0.3,0.625],[0.2,0.75]]	$[\begin{array}{c} 0.3 & 0.625 \\ 0.2 & 0.75 \end{array}]$
3554	Trovare l'Inversa	[[0.4,-0.2],[-0.2,0.5]]	$[\begin{array}{c} 0.4 & - 0.2 \\ - 0.2 & 0.5 \end{array}]$
3555	Trovare l'Inversa	[[0.4,0.6],[0.6,0.4]]	$[\begin{array}{c} 0.4 & 0.6 \\ 0.6 & 0.4 \end{array}]$
3556	Trovare l'Inversa	[[2,0,2],[3,1,2],[0,4,1]]	$[\begin{array}{c} 2 & 0 & 2 \\ 3 & 1 & 2 \\ 0 & 4 & 1 \end{array}]$
3557	Trovare l'Inversa	[[2,0,3],[0,-1,0],[3,2,4]]	$[\begin{array}{c} 2 & 0 & 3 \\ 0 & - 1 & 0 \\ 3 & 2 & 4 \end{array}]$
3558	Trovare l'Inversa	[[2,0,5],[0,-1,0],[3,1,7]]	$[\begin{array}{c} 2 & 0 & 5 \\ 0 & - 1 & 0 \\ 3 & 1 & 7 \end{array}]$
3559	Trovare l'Inversa	[[2,0,5],[0,-1,0],[3,-1,7]]	$[\begin{array}{c} 2 & 0 & 5 \\ 0 & - 1 & 0 \\ 3 & - 1 & 7 \end{array}]$
3560	Solve Using a Matrix by Row Operations	3x-4y+4z=10 , 3x+5y-z=15 , 12x-7y+11z=45	$3 x - 4 y + 4 z = 10$ , $3 x + 5 y - z = 15$ , $12 x - 7 y + 11 z = 45$
3561	Trovare l'Inversa	[[1,3,6],[4,0,9],[5,15,30]]	$[\begin{array}{c} 1 & 3 & 6 \\ 4 & 0 & 9 \\ 5 & 15 & 30 \end{array}]$
3562	Trovare l'Inversa	[[1,-3],[2,5]]	$[\begin{array}{c} 1 & - 3 \\ 2 & 5 \end{array}]$
3563	Trovare l'Inversa	[[1,3],[-2,-6]]	$[\begin{array}{c} 1 & 3 \\ - 2 & - 6 \end{array}]$
3564	Trovare l'Inversa	[[1,4,-7,-1],[7,1,1,3],[6,-1,1,-1],[1,-1,-3,-6]]	$[\begin{array}{c} 1 & 4 & - 7 & - 1 \\ 7 & 1 & 1 & 3 \\ 6 & - 1 & 1 & - 1 \\ 1 & - 1 & - 3 & - 6 \end{array}]$
3565	Trovare l'Inversa	[[1,4],[5,7]]	$[\begin{array}{c} 1 & 4 \\ 5 & 7 \end{array}]$
3566	Trovare l'Inversa	[[1.000,0.0397,0.0397,0.0397],[0.0339,1.000,0.0339,0.0339],[0.0318,0.0318,1.000,0.0318],[0.0232,0.0232,0.0232,1.000]]	$[\begin{array}{c} 1 & 0.0397 & 0.0397 & 0.0397 \\ 0.0339 & 1 & 0.0339 & 0.0339 \\ 0.0318 & 0.0318 & 1 & 0.0318 \\ 0.0232 & 0.0232 & 0.0232 & 1 \end{array}]$
3567	Trovare l'Inversa	[[12,6,7,1],[21,7,22,3],[37,29,27,24],[40,35,42,31]]	$[\begin{array}{c} 12 & 6 & 7 & 1 \\ 21 & 7 & 22 & 3 \\ 37 & 29 & 27 & 24 \\ 40 & 35 & 42 & 31 \end{array}]$
3568	Trovare l'Inversa	[[14,-24],[-4,7]]	$[\begin{array}{c} 14 & - 24 \\ - 4 & 7 \end{array}]$
3569	Trovare l'Inversa	[[18,-32],[-9,16]]	$[\begin{array}{c} 18 & - 32 \\ - 9 & 16 \end{array}]$
3570	Trovare l'Inversa	[[18,-32],[-9,20]]	$[\begin{array}{c} 18 & - 32 \\ - 9 & 20 \end{array}]$
3571	Trovare l'Inversa	[[1,1,1],[0,1,1],[0,0,1]]	$[\begin{array}{c} 1 & 1 & 1 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{array}]$
3572	Trovare l'Inversa	[[1,1,0,2],[1,-3,0,-1],[3,3,2,-2],[1,2,1,0]]	$[\begin{array}{c} 1 & 1 & 0 & 2 \\ 1 & - 3 & 0 & - 1 \\ 3 & 3 & 2 & - 2 \\ 1 & 2 & 1 & 0 \end{array}]$
3573	Trovare l'Inversa	[[1,-1,0],[0,1,-1],[3,2,-4]]	$[\begin{array}{c} 1 & - 1 & 0 \\ 0 & 1 & - 1 \\ 3 & 2 & - 4 \end{array}]$
3574	Trovare l'Inversa	[[0.96,-0.18],[-0.02,0.78]]	$[\begin{array}{c} 0.96 & - 0.18 \\ - 0.02 & 0.78 \end{array}]$
3575	Trovare l'Inversa	[[1,0,0],[0,1,0],[0,0,0]]	$[\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 0 \end{array}]$
3576	Trovare l'Inversa	[[1,0,0],[0,-1,0],[1,0,1]]	$[\begin{array}{c} 1 & 0 & 0 \\ 0 & - 1 & 0 \\ 1 & 0 & 1 \end{array}]$
3577	Trovare l'Inversa	[[-1,0,1],[0.3,-1,0],[0.7,1,-1]]	$[\begin{array}{c} - 1 & 0 & 1 \\ 0.3 & - 1 & 0 \\ 0.7 & 1 & - 1 \end{array}]$
3578	Moltiplicare le Matrici	[[-1/5,2/5,3/5],[3/20,1/5,-7/10],[1/15,-7/15,2/15]][[26400],[4900],[6200]]	$[\begin{array}{c} - \frac{1}{5} & \frac{2}{5} & \frac{3}{5} \\ \frac{3}{20} & \frac{1}{5} & - \frac{7}{10} \\ \frac{1}{15} & - \frac{7}{15} & \frac{2}{15} \end{array}] [\begin{array}{c} 26400 \\ 4900 \\ 6200 \end{array}]$
3579	Moltiplicare le Matrici	[[19/5,-1/10],[-14/5,1/10]][[13000],[470000]]	$[\begin{array}{c} \frac{19}{5} & - \frac{1}{10} \\ - \frac{14}{5} & \frac{1}{10} \end{array}] [\begin{array}{c} 13000 \\ 470000 \end{array}]$
3580	Trovare l'Inversa	[[1,0,-1],[3,1,-1],[0,0,0]]	$[\begin{array}{c} 1 & 0 & - 1 \\ 3 & 1 & - 1 \\ 0 & 0 & 0 \end{array}]$
3581	Trovare l'Inversa	[[1,0,2],[0,1,-2],[2,0,5]]	$[\begin{array}{c} 1 & 0 & 2 \\ 0 & 1 & - 2 \\ 2 & 0 & 5 \end{array}]$
3582	Trovare l'Inversa	[[1,2,3],[4,5,6],[0,0,1]]	$[\begin{array}{c} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 0 & 0 & 1 \end{array}]$
3583	Trovare l'Inversa	[[1,2,7],[4,5,6],[7,8,9]]	$[\begin{array}{c} 1 & 2 & 7 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{array}]$
3584	Trovare l'Inversa	[[-1,2,0],[-2,-2,1],[0,-1,-1]]	$[\begin{array}{c} - 1 & 2 & 0 \\ - 2 & - 2 & 1 \\ 0 & - 1 & - 1 \end{array}]$
3585	Trovare la Pendenza	(2,3) , (8,9)	$(2, 3)$ , $(8, 9)$
3586	Trovare la Pendenza	(-2,5) , (3,0)	$(- 2, 5) (3, 0)$
3587	Trovare la Pendenza	(2,5) , (4,7)	$(2, 5)$ , $(4, 7)$
3588	Trovare la Pendenza	(2,-5) , (7,10)	$(2, - 5) (7, 10)$
3589	Trovare la Pendenza	(2,6) , (7,-2)	$(2, 6) (7, - 2)$
3590	Trovare la Pendenza	(2,-6) , (-9,6)	$(2, - 6) (- 9, 6)$
3591	Trovare la Pendenza	(2,7) , (2,-3)	$(2, 7) (2, - 3)$
3592	Trovare la Pendenza	(2,7) , (2,9)	$(2, 7)$ , $(2, 9)$
3593	Trovare la Pendenza	(2,-7) , (-3,-3)	$(2, - 7) (- 3, - 3)$
3594	Trovare la Pendenza	(-2,-7) , (-9,-8)	$(- 2, - 7) (- 9, - 8)$
3595	Trovare la Pendenza	(2,-8) , (5,-3)	$(2, - 8) (5, - 3)$
3596	Trovare la Pendenza	(2,8) , (3,8)	$(2, 8)$ , $(3, 8)$
3597	Trovare la Pendenza	(2,8) , (5,6)	$(2, 8)$ , $(5, 6)$
3598	Trovare la Pendenza	(-3,12) , (2,12)	$(- 3, 12) (2, 12)$
3599	Trovare la Pendenza	(3,-5) , (3,-7)	$(3, - 5) (3, - 7)$
3600	Trovare la Pendenza	(-3,-5) , (4,-2)	$(- 3, - 5) (4, - 2)$