Mathematics MCQS for class 12 with Answers
If c?Dfand f'(c)=0, then the number c is called a :
None of these
Stationary point
Relative extreme
Critical value
The Notation dy/dx is used for the derivative by:
Leibniz
Lagrange
Newton
Cauchy
d/dx cos hx = ?
sin hx
cos hx
#NAME?
cosec hx
If y=Cot hx then dy/dx=
#NAME?
Cosec h2 x
None of these
Sec h2x
dy/dx = dy/dx . dx/du is called
Quotient rule
Chain rule
Power rule
Product rule
If y = eax, then y4=
3eax
x eax
a4eax
2 eax/a
Derivative of ?x (cos x) w.r.t x is
Cos x /2?x -?xSin x
(Cos x) 1/2?x +?x Sin x
?(x) (-sin x)
(Cos x) 1/?x + ?x(-sin x)
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