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find the first partial derivatives of f(x,y) = ln(x^2+2xy+x^2+1)

find the first partial derivatives of f(x,y) = ln(x^2+2xy+x^2+1)

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Answer #1

Let f(x,y)= ln (x​​​​​​2+2xy+y​​​​​​2+1) , then first by differentiating f(x,y) with respect to x( treating y as constant) to get and then Differentiating f(x,y) with respect to y (treating x as constant), as done in the solution provided below.

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