| 86601 |
求在(1,4)处的切线 |
y=(8x)/(x^2+1) , (1,4) |
, |
| 86602 |
求在x=π/4处的切线 |
f(x)=-3cos(x)-2+(3 radice quadrata di 2pi)/8+(3 radice quadrata di 2)/2 at x=pi/4 |
at |
| 86603 |
求在(1,2)处的切线 |
y=2x^3-x^2+1 , (1,2) |
, |
| 86604 |
求在(2,24)处的切线 |
y=3x^3-x^2+4 , (2,24) |
, |
| 86605 |
求在(0,5)处的切线 |
y=10/(1+e^(-x)) , (0,5) |
, |
| 86606 |
求在(π/2,7π)处的切线 |
y=14xsin(x) , (pi/2,7pi) |
, |
| 86607 |
求在x=-3处的切线 |
f(x)=-x^3-3x^2-3 at x=-3 |
at |
| 86608 |
求在(1,0)处的切线 |
x^2-xy-y^2=1 , (1,0) |
, |
| 86609 |
求在(2,1/8)处的切线 |
y=1/(x^3) , (2,1/8) |
, |
| 86610 |
求在(2,2)处的切线 |
x^4+5y^2=36 , (2,2) |
, |
| 86611 |
求在x=4/9处的切线 |
f(x) = square root of x , x=4/9 |
, |
| 86612 |
求在(4,5/2)处的切线 |
f(x) = radice quadrata di x+1/( radice quadrata di x) ; (4,5/2) |
; |
| 86613 |
求在(-4,3)处的切线 |
x^2-y^2-3x-19=0 , (-4,3) |
, |
| 86614 |
求在(2,5)处的切线 |
y=x^3-2x+1 , (2,5) |
, |
| 86615 |
求在(-1,0)处的切线 |
f(x)=1/2x logaritmo naturale di x^2 , (-1,0) |
, |
| 86616 |
求在(3,-4)处的切线 |
x^2+y^2=25 , (3,-4) |
, |
| 86617 |
求在x=1处的切线 |
f(x)=e^(x^3-1) at x=1 |
at |
| 86618 |
求在(π/2,2π)处的切线 |
y=4xsin(x) , (pi/2,2pi) |
, |
| 86619 |
求在x=3处的切线 |
f(x)=( logaritmo naturale di x)^2 at x=3 |
at |
| 86620 |
求在x=2处的切线 |
f(x)=x^6 , x=2 |
, |
| 86621 |
求在(2,5)处的切线 |
f(x)=x^2+1 , (2,5) |
, |
| 86622 |
求在(-8,-1/4)处的切线 |
f(x)=2/x at (-8,-1/4) |
at |
| 86623 |
求在x=2处的切线 |
f(x)=x^2-3 at x=2 |
at |
| 86624 |
求在(π/2,6π)处的切线 |
y=12xsin(x) , (pi/2,6pi) |
, |
| 86625 |
求在(π/6,4)处的切线 |
y=8sin(x) at the point (pi/6,4) |
at the point |
| 86626 |
求在(0,3)处的切线 |
y=6/(1+e^(-x)) , (0,3) |
, |
| 86627 |
求在(2,20)处的切线 |
y=2x^3-x^2+8 , (2,20) |
, |
| 86628 |
求在(π/2,3π)处的切线 |
y=6xsin(x) , (pi/2,3pi) |
, |
| 86629 |
求在(1,9)处的切线 |
y=x^4+9x^2-x , (1,9) |
, |
| 86630 |
求在x=6处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=6 |
at |
| 86631 |
求在(-8,-1/2)处的切线 |
f(x)=4/x at (-8,-1/2) |
at |
| 86632 |
求在(3,7)处的切线 |
y=3x^2-7x+1 , (3,7) |
, |
| 86633 |
求在(-9,-4/9)处的切线 |
f(x)=4/x at (-9,-4/9) |
at |
| 86634 |
求在x=0处的切线 |
f(x)=(-5x^2+5x-2)(-2x+3) , x=0 |
, |
| 86635 |
求在x=1处的切线 |
f(x)=e^(x^2-1) at x=1 |
at |
| 86636 |
求在x=7处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=7 |
at |
| 86637 |
求在x=1处的切线 |
y=x^4-3x^2+8 at x=1 |
at |
| 86638 |
求在(4,4)处的切线 |
y=2 radice quadrata di x , (4,4) |
, |
| 86639 |
求在(32,8)处的切线 |
y = square root of 2x at (32,8) |
at |
| 86640 |
求在(-2,1)处的切线 |
y^2=x^3-6x-3 at (-2,1) |
at |
| 86641 |
求在(3,-4)处的切线 |
x^2+y^2=25 , (3,-4) |
, |
| 86642 |
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 |
| 86643 |
求在(-2,-1/8)处的切线 |
y=1/(x^3) , (-2,-1/8) |
, |
| 86644 |
求在(8,4)处的切线 |
f(x) = square root of 2x at (8,4) |
at |
| 86645 |
求在(4,-8)处的切线 |
y=(x+4)/(x-5) , (4,-8) |
, |
| 86646 |
求在(0,7)处的切线 |
y=14/(1+e^(-x)) , (0,7) |
, |
| 86647 |
求在(9,4/9)处的切线 |
f(x)=4/x at (9,4/9) |
at |
| 86648 |
求在(9,1)处的切线 |
radice quadrata di x+ radice quadrata di y=4 , (9,1) |
, |
| 86649 |
求在(6,14)处的切线 |
g(x)=(7x)/(x-3) at (6,14) |
at |
| 86650 |
求在(4,2)处的切线 |
f(x) = square root of x , (4,2) |
, |
| 86651 |
求在x=4处的切线 |
f(x) = square root of x , x=4 |
, |
| 86652 |
求在(2,1/16)处的切线 |
y=1/(2x^3) , (2,1/16) |
, |
| 86653 |
求在(4,4)处的切线 |
(x+2)^2+(y-3)^2=37 , (4,4) |
, |
| 86654 |
求在(5,8)处的切线 |
f(x) = square root of 5x+39 , (5,8) |
, |
| 86655 |
求在(1,2)处的切线 |
y = square root of x^3+3 at (1,2) |
at |
| 86656 |
求在(8,1/2)处的切线 |
f(x)=4/x at (8,1/2) |
at |
| 86657 |
求在(π/2,2π)处的切线 |
y=4xsin(x) , (pi/2,2pi) |
, |
| 86658 |
求在(1,1)处的切线 |
f(x)=x^3 , (1,1) |
, |
| 86659 |
求在x=1/3⋅ln(5)处的切线 |
y=e^(3x) at x=1/3 logaritmo naturale di 5 |
at |
| 86660 |
求在x=7处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=7 |
at |
| 86661 |
求在x=π处的切线 |
f(x)=xsin(10x) at x=pi |
at |
| 86662 |
求在(1,1/5)处的切线 |
y=(x^2)/(4+x) , (1,1/5) |
, |
| 86663 |
求在(4,19)处的切线 |
f(x)=x^2+3 at (4,19) |
at |
| 86664 |
求在x=8处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=8 |
at |
| 86665 |
求在(π/2,6π)处的切线 |
y=12xsin(x) , (pi/2,6pi) |
, |
| 86666 |
求在(3,4)处的切线 |
x^2+2xy-y^2+x=20 , (3,4) |
, |
| 86667 |
求在(25,10)处的切线 |
y=2 radice quadrata di x , (25,10) |
, |
| 86668 |
求在x=4处的切线 |
f(x) = square root of x ; x=4 |
; |
| 86669 |
求在x=1处的切线 |
f(x)=2x+3 at x=1 |
at |
| 86670 |
求在(18,6)处的切线 |
y = square root of 2x at (18,6) |
at |
| 86671 |
求在x=2处的切线 |
y=x^2 at x=2 |
at |
| 86672 |
求在(0,4)处的切线 |
y=x^4+4e^x , (0,4) |
, |
| 86673 |
求在x=2处的切线 |
f(x)=( logaritmo naturale di x)^2 at x=2 |
at |
| 86674 |
求在(0,8)处的切线 |
f(x)=8e^xcos(x) , (0,8) |
, |
| 86675 |
求在(2,2)处的切线 |
f(x) = square root of 2x at (2,2) |
at |
| 86676 |
求在(3,0)处的切线 |
f(x)=9-x^2 , (3,0) |
, |
| 86677 |
求在(-2,4)处的切线 |
f(x)=2x^2+2x , (-2,4) |
, |
| 86678 |
求在(π/2,4π)处的切线 |
y=8xsin(x) , (pi/2,4pi) |
, |
| 86679 |
求在(0,6)处的切线 |
y=x^4+6e^x , (0,6) |
, |
| 86680 |
求在x=π处的切线 |
y=2-sin(x) at x=pi |
at |
| 86681 |
求在(7,7)处的切线 |
f(x) = square root of 7x at (7,7) |
at |
| 86682 |
求在(4,2√(3))处的切线 |
x^2y^2-9x^2-4y^2=0 , (4,2 radice quadrata di 3) |
, |
| 86683 |
求在x=5处的切线 |
f(x) = square root of x+4 at x=5 |
at |
| 86684 |
求在x=6处的切线 |
f(x)=( logaritmo naturale di x)^5 at x=6 |
at |
| 86685 |
求在(2,14)处的切线 |
y=2x^3-x^2+2 , (2,14) |
, |
| 86686 |
求在(-1,-1/2)处的切线 |
y=1/(2x^3) , (-1,-1/2) |
, |
| 86687 |
求在x=5处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=5 |
at |
| 86688 |
求在x=1处的切线 |
f(x)=2+ logaritmo naturale di x ; x=1 |
; |
| 86689 |
求在x=11处的切线 |
f(x)=( logaritmo naturale di x)^5 at x=11 |
at |
| 86690 |
求在x=1/4⋅ln(5)处的切线 |
y=e^(4x) at x=1/4 logaritmo naturale di 5 |
at |
| 86691 |
求在(2,2)处的切线 |
y=(|x|)/( radice quadrata di 5-x^2) , (2,2) |
, |
| 86692 |
求在(-1,1)处的切线 |
y = square root of 2+x^3 , (-1,1) |
, |
| 86693 |
求在(0,1)处的切线 |
f(x)=(5x+1)^2 ;, (0,1) |
;, |
| 86694 |
求在(0,1)处的切线 |
y=3^x , (0,1) |
, |
| 86695 |
求在x=6处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=6 |
at |
| 86696 |
求在(3,2)处的切线 |
y = square root of x+1 ; (3,2) |
; |
| 86697 |
求在(-2,-8)处的切线 |
f(x)=x^3 , (-2,-8) |
, |
| 86698 |
求在(1/6,6e)处的切线 |
y=(e^(6x))/x , (1/6,6e) |
, |
| 86699 |
求在(π/2,3π)处的切线 |
y=6xsin(x) , (pi/2,3pi) |
, |
| 86700 |
求在(0,7)处的切线 |
y=14/(1+e^(-x)) , (0,7) |
, |
