Mathematics

Mathematics

Problem

If y=etan⁡−1xy = e^{\tan^{-1} x}, then (1+x2)d2ydx2=(1 + x^2) \frac{d^2 y}{dx^2} = (a) (1−2x)dydx(1 - 2x) \frac{dy}{dx} (b) −2xdydx-2x \frac{dy}{dx} (c) −xdydx-x \frac{dy}{dx} (d) 0

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