Use the differential of $f ( x , y ) = x ^ { 2 } + 2 x \cos ^ { 2 } y$ to find a linear approximation of f at the point (1, $\pi$/4).

Name: Use the differential of $f ( x , y ) = x ^ { 2 } + 2 x \cos ^ { 2 } y$ to find a linear approximation of f at the point (1, $\pi$/4).
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Question

Use the differential of $f ( x , y ) = x ^ { 2 } + 2 x \cos ^ { 2 } y$ to find a linear approximation of f at the point (1,  $\pi$/4).

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The Answer of Use the differential of $f ( x , y ) = x ^ { 2 } + 2 x \cos ^ { 2 } y$ to find a linear approximation of f at the point (1,  $\pi$/4).

Use the Differential Of f(x,y)=x2+2xcos⁡2yf ( x , y ) = x ^ { 2 } + 2 x \cos ^ { 2 } yf(x,y)=x2+2xcos2y

Use the Differential Of $f ( x , y ) = x ^ { 2 } + 2 x \cos ^ { 2 } y$