Find the derivative with respect to x and the x-coordinate of the stationary point of: y=(4x^2+1)^5
y=(4x^2+1)^5 y=u^5 u=4x^2+1
y’=5u^4 (wrt u) u’=8x
y’=40x(4x^2+1)^4
y’=40x(4x^2+1)^4=0 x=0 (x^2+1>0)
EB
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