If y=t2 + t -1 , then dy/dx is equal to
2t+1
t2+t-1
0
not defined
If f(x) = 3x2 -4x, the value of a if f '(a )= 5 is
3
4
-1
3/2
d/dx (x5)
5
x4
5x4
5 x
Derivative of is
ex
e . ex
5 (2x+3)4
(2x+3)4
10 x
10 (2x+3)4
The gradient of y = x2 + 5x at (0,0) is
1
2
If y = log[log (log x)], then dy/dx is
1/ log (logx)
1/ x log (log x)
1/ x logx log (logx)
x/ log (logx)
Ler f(x) =exg(x),g(0) = 4,g ' (0)=2,then f ' (0) is
6
The derivative of cos√x is
- sin √x
sin√x
1/2 sin√x
- sin √x/ 2 √x
