y=sin [lnx + e^x + x^2/2] find dy / dx
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Answer:
dy/dx = cos[1/x + e^x + x^2/2]*(1/x + e^x + x^2/2)
Explanation:
Given, y = sin[lnx + e^x + x^2/2]
take u = (lnx + e^x + x^2/2)
then y = sin[u]
differentiating on both sides
we get, (dy/dx) = cos[u]*d(u)/dx
where du/dx = 1/x + e^x + x^2/2
therefore dy/dx = cos[1/x + e^x + x^2/2]*(1/x + e^x + x^2/2)
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