| 86801 |
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 |
| 86802 |
求在(1,3)处的切线 |
y=3x^2-x+1 at (1,3) |
at |
| 86803 |
求在(8,3/8)处的切线 |
f(x)=3/x at (8,3/8) |
at |
| 86804 |
求在(1,1/8)处的切线 |
y=(x^2)/(7+x) , (1,1/8) |
, |
| 86805 |
求在(1,-5)处的切线 |
f(x)=x^3-7x+1 ; (1,-5) |
; |
| 86806 |
求在(4,54)处的切线 |
y=x^3-3x+2 , (4,54) |
, |
| 86807 |
求在x=1/2⋅ln(2)处的切线 |
y=e^(2x) at x=1/2 logaritmo naturale di 2 |
at |
| 86808 |
求在x=3处的切线 |
f(x)=x^2-5 at x=3 |
at |
| 86809 |
求在(-1,3)处的切线 |
y=(6x)/(x-1) at (-1,3) |
at |
| 86810 |
求在(1,1/2)处的切线 |
y=1/(2x^3) , (1,1/2) |
, |
| 86811 |
求在(0,1/3)处的切线 |
f(x)=(e^x)/(x+3) , (0,1/3) |
, |
| 86812 |
求在(-1,6)处的切线 |
f(x)=5/( radice cubica di x^2)-x ; , (-1,6) |
; , |
| 86813 |
求在x=0处的切线 |
f(x)=2x^2-1 ; x=0 |
; |
| 86814 |
求在(2,5)处的切线 |
f(x) = square root of 7x+11 , (2,5) |
, |
| 86815 |
求在(2,4)处的切线 |
f(x) = square root of 7x+2 , (2,4) |
, |
| 86816 |
求在(2,2)处的切线 |
y = square root of 2x at (2,2) |
at |
| 86817 |
求在(2,4)处的切线 |
y=x^2 , (2,4) |
, |
| 86818 |
求在(4,20)处的切线 |
f(x)=x^2+4 at (4,20) |
at |
| 86819 |
求在(π/6,2(√(3)/3))处的切线 |
y=sec(x) , (pi/6,2( radice quadrata di 3)/3) |
, |
| 86820 |
求在(2,4)处的切线 |
y=x^3-3x+2 , (2,4) |
, |
| 86821 |
求在(5,0)处的切线 |
f(x)=25-x^2 , (5,0) |
, |
| 86822 |
求在(5,0)处的切线 |
y=(x^3-25x)^14 at the point (5,0) |
at the point |
| 86823 |
求在(2,-2)处的切线 |
2xy-2x+y=-14 ; (2,-2) |
; |
| 86824 |
求在x=e⁵处的切线 |
f(x) = natural log of x^4 ; x=e^5 |
; |
| 86825 |
求在(3,1)处的切线 |
3(x^2+y^2)^2=100xy^2 ; (3,1) |
; |
| 86826 |
求在(-1,1)处的切线 |
y=(2x)/(x-1) at (-1,1) |
at |
| 86827 |
求在(1,2)处的切线 |
y=3x^2-2x+1 , (1,2) |
, |
| 86828 |
求在(-4,3)处的切线 |
x^2+y^2=25 ; (-4,3) |
; |
| 86829 |
求在(2,1)处的切线 |
2(x^2+y^2)^2=25xy^2 ; (2,1) |
; |
| 86830 |
求在(1,-5)处的切线 |
f(x)=(x-2)(x^2+4) , (1,-5) |
, |
| 86831 |
求在(3,5)处的切线 |
f(x) = square root of 3x+16 , (3,5) |
, |
| 86832 |
求在(4,12)处的切线 |
f(x)=x^2-x at (4,12) |
at |
| 86833 |
求在(1,5)处的切线 |
y=x^4+5x^2-x , (1,5) |
, |
| 86834 |
求在(-1,-3)处的切线 |
y=(6x)/(x^2+1) , (-1,-3) |
, |
| 86835 |
求在(5,5)处的切线 |
f(x) = square root of 5x at (5,5) |
at |
| 86836 |
求在x=11处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=11 |
at |
| 86837 |
求在(π/4,1)处的切线 |
f(x)=tan(x)^2 , (pi/4,1) |
, |
| 86838 |
求在(-1,-9)处的切线 |
f(x)=5x-4x^2 at (-1,-9) |
at |
| 86839 |
求在(8,4)处的切线 |
y = square root of 2x at (8,4) |
at |
| 86840 |
求在(6,6)处的切线 |
y = square root of 6x at (6,6) |
at |
| 86841 |
求在x=1处的切线 |
y = square root of x+3 , x=1 |
, |
| 86842 |
求在x=2处的切线 |
f(x)=x^2+3 at x=2 |
at |
| 86843 |
求在(18,6)处的切线 |
f(x) = square root of 2x at (18,6) |
at |
| 86844 |
求在(3,1)处的切线 |
2(x^2+y^2)^2=25(x^2-y^2) at (3,1) |
at |
| 86845 |
求在x=1处的切线 |
f(x)=8- logaritmo naturale di x ; x=1 |
; |
| 86846 |
求在(1,-1)处的切线 |
(x-y-1)^3=x ; (1,-1) |
; |
| 86847 |
求在(-2,0)处的切线 |
y=(x^3-4x)^8 at the point (-2,0) |
at the point |
| 86848 |
求在(0,3)处的切线 |
g(x)=3e^(-5x) at the point (0,3) |
at the point |
| 86849 |
求在(5,16)处的切线 |
y=2x^2-7x+1 , (5,16) |
, |
| 86850 |
求在(2,3)处的切线 |
y = square root of x^3+1 at (2,3) |
at |
| 86851 |
求在(5,16)处的切线 |
y=3x^2-12x+1 , (5,16) |
, |
| 86852 |
求在(-2,-14)处的切线 |
f(x)=3x-2x^2 at (-2,-14) |
at |
| 86853 |
求在(2,6)处的切线 |
y=x^3-2x+2 , (2,6) |
, |
| 86854 |
求在(-1,0)处的切线 |
f(x)=1/2x logaritmo naturale di x^4 , (-1,0) |
, |
| 86855 |
求在(2,13)处的切线 |
y=2x^3-x^2+1 , (2,13) |
, |
| 86856 |
求在(1,1)处的切线 |
y=(|x|)/( radice quadrata di 2-x^2) , (1,1) |
, |
| 86857 |
求在(-1,1)处的切线 |
f(x)=3x^2+2x , (-1,1) |
, |
| 86858 |
求在(-9,-1/3)处的切线 |
f(x)=3/x at (-9,-1/3) |
at |
| 86859 |
求在(-1,2)处的切线 |
y = square root of 1-3x , (-1,2) |
, |
| 86860 |
求在(-3,-39)处的切线 |
f(x)=7x-2x^2 at (-3,-39) |
at |
| 86861 |
求在(1,2)处的切线 |
y=(4x)/(x^2+1) , (1,2) |
, |
| 86862 |
求在(4,5/2)处的切线 |
f(x)=x^(1/2)+2x^-1 at the point (4,5/2) |
at the point |
| 86863 |
求在(-1,1)处的切线 |
(x^2+y^2)^2=4x^2y , (-1,1) |
, |
| 86864 |
求在(5,18)处的切线 |
f(x)=x^2-7 , (5,18) |
, |
| 86865 |
求在(11,11)处的切线 |
x^3+y^3=22xy ; (11,11) |
; |
| 86866 |
求在(9,3)处的切线 |
Given: x^2=y^4 Find the equation of the tangent line at (9,3) |
Given: Find the equation of the tangent line at |
| 86867 |
求在(-1,1)处的切线 |
y=-1/(x^3) , (-1,1) |
, |
| 86868 |
求在(3,4)处的切线 |
y=2x^2-5x+1 , (3,4) |
, |
| 86869 |
求在(-1,-11)处的切线 |
f(x)=9x-2x^2 at (-1,-11) |
at |
| 86870 |
求在(1,1/2)处的切线 |
1/(1+x^2) , (1,1/2) |
, |
| 86871 |
求在(-4,18)处的切线 |
f(x)=x^2+2 at (-4,18) |
at |
| 86872 |
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 |
| 86873 |
求在(0,6)处的切线 |
y=6e^xcos(x) , (0,6) |
, |
| 86874 |
求在x=1处的切线 |
y=x^(cos(x)) ; x=1 |
; |
| 86875 |
求在(-1,-1)处的切线 |
y=(2x)/(x^2+1) , (-1,-1) |
, |
| 86876 |
求在x=-1处的切线 |
f(x)=1/(x-3) ; x=-1 |
; |
| 86877 |
求在x=2处的切线 |
y=x^2-6x+9 , at x=2 |
, at |
| 86878 |
求在(2,26)处的切线 |
y=3x^3-x^2+6 , (2,26) |
, |
| 86879 |
求在(-1,-1)处的切线 |
y=(2x)/(x^2+1) at the origin and at the point (-1,-1) |
at the origin and at the point |
| 86880 |
求在x=2处的切线 |
f(x)=x(x^2-4x+5)^8 ; x=2 |
; |
| 86881 |
求在(1,1/6)处的切线 |
y=(x^2)/(5+x) , (1,1/6) |
, |
| 86882 |
求在(2,1/24)处的切线 |
y=1/(3x^3) , (2,1/24) |
, |
| 86883 |
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 |
| 86884 |
求在(1,-7)处的切线 |
y=x^3-8x , (1,-7) |
, |
| 86885 |
求在(5,6)处的切线 |
y=3x^2-14x+1 , (5,6) |
, |
| 86886 |
求在x=-π/4处的切线 |
f(x)=-2-cos(x) at x=-pi/4 |
at |
| 86887 |
求在x=e²处的切线 |
f(x) = natural log of x^4 ; x=e^2 |
; |
| 86888 |
求在(0,8)处的切线 |
y=x^4+8e^x , (0,8) |
, |
| 86889 |
求在(1,0.25)处的切线 |
y=( radice quadrata di x)/(x+3) , (1,0.25) |
, |
| 86890 |
求在x=2处的切线 |
y=x^2+x-1 ; x=2 |
; |
| 86891 |
求在x=2处的切线 |
y=1/((x^2-1)^3) ; x=2 |
; |
| 86892 |
求在(2,0)处的切线 |
y=2x^3-8x , (2,0) |
, |
| 86893 |
求在(17,17)处的切线 |
x^3+y^3=34xy ; (17,17) |
; |
| 86894 |
求在(5,11)处的切线 |
y=2x^2-8x+1 , (5,11) |
, |
| 86895 |
求在(-1,2)处的切线 |
y=(-4x)/(x^2+1) , (-1,2) |
, |
| 86896 |
求在x=1处的切线 |
y=x^(tan(x)) , x=1 |
, |
| 86897 |
求在(4,2)处的切线 |
3(x^2+y^2)^2=100(x^2-y^2) , (4,2) |
, |
| 86898 |
求在(0,1/2)处的切线 |
y=(1+x)/(1+e^x) , (0,1/2) |
, |
| 86899 |
求在x=3处的切线 |
f(x)=x^2+2 at x=3 |
at |
| 86900 |
求在(2,6)处的切线 |
f(x)=x^2+2 at (2,6) |
at |