Mathematics MCQS for class 12 with Answers
Y=Sec hx then dy/dx=
Cot hx Sec hx
Tan hx Sec hx
#NAME?
Tan hx Cos hx
If y=Cot x then dy/dx=
-Cosec2 x
Tan x
Sec2 x
Cot2 x
If y=tan x then dy/dx=
Tan2 x
Sin x
Sec2 x
Cot x
If y=Sin x then dy/dx=
Cos x
1/Sin x
#NAME?
#NAME?
If y=x4+2x2+2, then dy/dx=
2x?(y-1)
4x?(y-1)
x?(y-1)
3?(y-1)
The symbol for the derivative of y with respect to x is:
d(xy)
d(x/y)
dy/dx
None of these
d/dx (logn)=
x lna
1/x
1/xlna
lan/x
d/dx (af(x)) =
af(x)
a?(x) ? (x)Ina
a ?(x) ? (x)
af(x) ?
d/dx (f(x) . g(x)) = ?
f'(x) g(x) – f(x) g'(x)
f'(x) g'(x)
f(x) g'(x) – f'(x) g(x)
f'(x) g(x) + f(x)g'(x)
If f(x) = sin x, then f’ (0) =
0
-1
1
cos x
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