Engineering
Mathematics
Leibnitz Rule Derivative of Anti Derivatives
Question

If g(x) = ∫sinxsin2xsin−1(t) dt , then

g'(−π2)=2π

g'(π2)=2π

g'(−π2)=−2π

g'(π2)=−2π

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Solution

g(x)=∫sinxsin(2x)sin−1(t)  dt

g'(x) = 2 (cos 2x) sin–1 (sin 2x) – (cos x) sin–1(sin x)

g'(π2)=2(−1)(0)−cos(π2)(1)=0

g'(π2)=0

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