First slide

Diffrentiation

Question

$If α = \sec (3 β) then \frac{d α}{d β} will be$

Moderate

A

$\sec (3 β) \tan (3 β)$
B

$3 α^{2} \sin (3 β)$
C

$3 β \sec (3 β) \tan (3 β)$
D

$3 \sec^{2} (3 β)$

Solution

$\begin{array}{l} α = \sec (3 β) \\ \frac{d α}{d β} = 3 \sec (3 β) \tan (3 β) \end{array}$

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