| 86401 |
求在(-6,-2)处的切线 |
f(x)=1/3x^2+3x+4 at (-6,-2) |
at |
| 86402 |
求在(3,3)处的切线 |
f(x)=(4x)/(x^2-5) ; (3,3) |
; |
| 86403 |
求在(-2,-5)处的切线 |
f(x)=x^3+x+5 ;, (-2,-5) |
;, |
| 86404 |
求在(-9,-2/9)处的切线 |
f(x)=2/x at (-9,-2/9) |
at |
| 86405 |
求在(0,5)处的切线 |
y=5e^x+x , (0,5) |
, |
| 86406 |
求在(1,0)处的切线 |
y = natural log of x^(9/2) ; (1,0) |
; |
| 86407 |
求在x=2处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=2 |
at |
| 86408 |
求在(0,2)处的切线 |
f(x)=2e^xcos(x) , (0,2) |
, |
| 86409 |
求在(1,-1)处的切线 |
y=x^5-3x^3-2x+3 ; (1,-1) |
; |
| 86410 |
求在(9,0)处的切线 |
y = natural log of x^2-9x+1 , (9,0) |
, |
| 86411 |
求在(0,3)处的切线 |
f(x)=3e^xcos(x) , (0,3) |
, |
| 86412 |
求在(π/4,1)处的切线 |
f(x)=tan(x) , (pi/4,1) |
, |
| 86413 |
求在(1,1)处的切线 |
f(x)=1/(x^3) at the point (1,1) |
at the point |
| 86414 |
求在(1,-1)处的切线 |
f(x)=-1/x at (1,-1) |
at |
| 86415 |
求在x=1处的切线 |
f(x)=6+ logaritmo naturale di x ; x=1 |
; |
| 86416 |
求在x=-1处的切线 |
f(x)=2x^3 ; x=-1 |
; |
| 86417 |
求在x=-π/2处的切线 |
y=cot(x) ; x=-pi/2 |
; |
| 86418 |
求在x=3处的切线 |
y=(x^2-9x)/(3x-x^3) at x=3 |
at |
| 86419 |
求在(0,4)处的切线 |
f(x)=4e^xcos(x) , (0,4) |
, |
| 86420 |
求在(3,1)处的切线 |
x^2y^8=9 , (3,1) |
, |
| 86421 |
求在x=1处的切线 |
f(x)=x^4-25x^2+144 ; x=1 |
; |
| 86422 |
求在(1,1)处的切线 |
f(x)=1/(x^6) at (1,1) |
at |
| 86423 |
求在(0,9)处的切线 |
y=(e^(2x)-4)^2 , (0,9) |
, |
| 86424 |
求在(-2,-16)处的切线 |
y=2x^3 , (-2,-16) |
, |
| 86425 |
求在(1,e)处的切线 |
y=x^2e^x-2xe^x+2e^x , (1,e) |
, |
| 86426 |
求在(2,1)处的切线 |
y=(2x)/(x+2) , (2,1) |
, |
| 86427 |
求在x=2处的切线 |
y=x^2-6x+9 at x=2 |
at |
| 86428 |
求在x=0处的切线 |
f(x)=4x^2+2x-1 at x=0 |
at |
| 86429 |
求在(1,6)处的切线 |
y=3x^3-x^2+4 , (1,6) |
, |
| 86430 |
求在x=1处的切线 |
f(x)=x^4-10x^2+9 ; x=1 |
; |
| 86431 |
求在(0,4)处的切线 |
y=4e^xcos(x) , (0,4) |
, |
| 86432 |
求在x=3/4⋅π处的切线 |
f(x)=-2sin(x) at x=3/4pi |
at |
| 86433 |
求在(1,1/e)处的切线 |
y=x^4e^(-x) , (1,1/e) |
, |
| 86434 |
求在(0,-3)处的切线 |
y=-3/((3x^2+1)^3) ; (0,-3) |
; |
| 86435 |
求在(8,0)处的切线 |
y = natural log of x^2-8x+1 , (8,0) |
, |
| 86436 |
求在(-2,-3)处的切线 |
f(x)=x^3+x+7 ;, (-2,-3) |
;, |
| 86437 |
求在(9,7)处的切线 |
(y-3)^2=4(x-5) , (9,7) |
, |
| 86438 |
求在x=4处的切线 |
y=(x^2-16x)/(4x-x^3) at x=4 |
at |
| 86439 |
求在P=(π/3,-1)处的切线 |
y=sec(x)-6cos(x) , P=(pi/3,-1) |
, |
| 86440 |
求在(7,2/7)处的切线 |
f(x)=2/x at (7,2/7) |
at |
| 86441 |
求在x=6处的切线 |
f(x)=( logaritmo naturale di x)^2 at x=6 |
at |
| 86442 |
求在(1,3)处的切线 |
y=4x^2-x^3 , (1,3) |
, |
| 86443 |
求在(1/2,π/2)处的切线 |
y=3arcsin(x) , (1/2,pi/2) |
, |
| 86444 |
求在(-8,-3/8)处的切线 |
f(x)=3/x at (-8,-3/8) |
at |
| 86445 |
求在x=2处的切线 |
f(x)=((x-1)^2-x)^2 at x=2 |
at |
| 86446 |
求在(3,-5)处的切线 |
y=(x+2)/(x-4) , (3,-5) |
, |
| 86447 |
求在(1,2)处的切线 |
y=(4x)/(x^2+1) at the origin and at the point (1,2) |
at the origin and at the point |
| 86448 |
求在(2,6)处的切线 |
y^2-x^2y-6x=0 , (2,6) |
, |
| 86449 |
求在(9,-1)处的切线 |
(y-3)^2=4(x-5) , (9,-1) |
, |
| 86450 |
求在(3,9)处的切线 |
y=x^2 , (3,9) |
, |
| 86451 |
求在(-2,-7)处的切线 |
f(x)=x^3+x+3 ;, (-2,-7) |
;, |
| 86452 |
求在x=5处的切线 |
f(x)=( logaritmo naturale di x)^2 at x=5 |
at |
| 86453 |
求在x=2处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=2 |
at |
| 86454 |
求在(4,4)处的切线 |
f(x)=(10x)/(x^2-6) ; (4,4) |
; |
| 86455 |
求在x=-1处的切线 |
f(x)=3x^3 ; x=-1 |
; |
| 86456 |
求在x=9处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=9 |
at |
| 86457 |
求在(0,4)处的切线 |
y=4e^xcos(x) , (0,4) |
, |
| 86458 |
求在(0,5)处的切线 |
y=10/(1+e^(-x)) , (0,5) |
, |
| 86459 |
求在(1,2)处的切线 |
y=3x^2-2x+1 at (1,2) |
at |
| 86460 |
求在(2,21)处的切线 |
y=3x^3-x^2+1 , (2,21) |
, |
| 86461 |
求在(1,1)处的切线 |
f(x)=x^5 , (1,1) |
, |
| 86462 |
求在(0,9)处的切线 |
y=9e^xcos(x) , (0,9) |
, |
| 86463 |
求在(2,29)处的切线 |
y=3x^3-x^2+9 , (2,29) |
, |
| 86464 |
求在(4/3,8/3)处的切线 |
x^3+y^3-6xy=0 , (4/3,8/3) |
, |
| 86465 |
求在(-1,4)处的切线 |
y=(-8x)/(x^2+1) at the origin and at the point (-1,4) |
at the origin and at the point |
| 86466 |
求在(1,2)处的切线 |
4x^2+2y^2=12 , (1,2) |
, |
| 86467 |
求在(1,3)处的切线 |
x^2+y^2=10 , (1,3) |
, |
| 86468 |
求在x=2处的切线 |
f(x)=x^4-25x^2+144 ; x=2 |
; |
| 86469 |
求在x=1/9处的切线 |
f(x) = square root of x , x=1/9 |
, |
| 86470 |
求在x=-2处的切线 |
f(x)=-x^3+4x-2 at x=-2 |
at |
| 86471 |
求在(4,4)处的切线 |
g(x)=(6x)/(x+2) at (4,4) |
at |
| 86472 |
求在(-1,8)处的切线 |
y=(x^2-x)^3 at (-1,8) |
at |
| 86473 |
求在x=-π/4处的切线 |
f(x)=-5cot(x)-(5pi)/2-4 at x=-pi/4 |
at |
| 86474 |
求在(1,3)处的切线 |
y=(6x)/(x^2+1) at the origin and at the point (1,3) |
at the origin and at the point |
| 86475 |
求在(2,2)处的切线 |
g(x)=(3x)/(x+1) at (2,2) |
at |
| 86476 |
求在(-4,17)处的切线 |
y=x^2+1 , (-4,17) |
, |
| 86477 |
求在(0,-2)处的切线 |
y^2(y^2-4)=x^2(x^2-5) , (0,-2) |
, |
| 86478 |
求在x=1处的切线 |
f(x)=x^4(3-x)^2 ; x=1 |
; |
| 86479 |
求在(-1,1)处的切线 |
(x^2+y^2)^2=4x^2y , (-1,1) |
, |
| 86480 |
求在x=-2处的切线 |
f(x)=x^4-25x^2+144 ; x=-2 |
; |
| 86481 |
求在(4,9)处的切线 |
radice quadrata di x+ radice quadrata di y=5 , (4,9) |
, |
| 86482 |
求在x=0处的切线 |
f(x) = square root of x+9 at the point where x=0 |
at the point where |
| 86483 |
求在x=7处的切线 |
f(x)=( logaritmo naturale di x)^5 at x=7 |
at |
| 86484 |
求在x=4处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=4 |
at |
| 86485 |
求在(π/2,5π)处的切线 |
y=10xsin(x) , (pi/2,5pi) |
, |
| 86486 |
求在(-1,3)处的切线 |
y=(-6x)/(x^2+1) at the origin and at the point (-1,3) |
at the origin and at the point |
| 86487 |
求在(0,6)处的切线 |
y=6e^xcos(x) , (0,6) |
, |
| 86488 |
求在x=1处的切线 |
y=5x^2-7 at x=1 |
at |
| 86489 |
求在(1,3)处的切线 |
y=4-x^2 ; (1,3) |
; |
| 86490 |
求在(64,16)处的切线 |
x^2=y^3 ; (64,16) |
; |
| 86491 |
求在(π/2,5π)处的切线 |
y=10xsin(x) , (pi/2,5pi) |
, |
| 86492 |
求在(π,-1)处的切线 |
y=(1+sin(x))/(cos(x)) , (pi,-1) |
, |
| 86493 |
求在x=2处的切线 |
f(x)=x^4-20x^2+64 ; x=2 |
; |
| 86494 |
求在x=3处的切线 |
f(x)=( logaritmo naturale di x)^5 at x=3 |
at |
| 86495 |
求在(1,2)处的切线 |
x^2+2xy-y^2+x=2 , (1,2) |
, |
| 86496 |
求在(-2,0)处的切线 |
f(x)=x^3+8 , (-2,0) |
, |
| 86497 |
求在(-1,-2)处的切线 |
y=(4x)/(x^2+1) at the origin and at the point (-1,-2) |
at the origin and at the point |
| 86498 |
求在(3,3)处的切线 |
f(x)=(8x)/(x^2-1) ; (3,3) |
; |
| 86499 |
求在(0,7)处的切线 |
f(x)=7e^xcos(x) , (0,7) |
, |
| 86500 |
求在(1,5)处的切线 |
y=3x^3-x^2+3 , (1,5) |
, |