Determine If$f ( x , y ) = \left\{ \begin{array} { l l }
\frac { x ^ { 2 } + x y } { x ^ { 2 } + y ^ { 2 } } & \text { if } ( x , y ) \neq ( 0,0 ) \
1 & \text { if } ( x , y ) = ( 0,0 )
\end{array} \right.$

Question

Determine If$f ( x , y ) = \left\{ \begin{array} { l l } 
\frac { x ^ { 2 } + x y } { x ^ { 2 } + y ^ { 2 } } & \text { if } ( x , y ) \neq ( 0,0 ) \
1 & \text { if } ( x , y ) = ( 0,0 )
\end{array} \right.$

Examlex · Accepted Answer

The Answer of Determine If$f ( x , y ) = \left\{ \begin{array} { l l } 
\frac { x ^ { 2 } + x y } { x ^ { 2 } + y ^ { 2 } } & \text { if } ( x , y ) \neq ( 0,0 ) \
1 & \text { if } ( x , y ) = ( 0,0 )
\end{array} \right.$

Determine If Is Everywhere Continuous, and If Not, Locate the Point(s) of \begin{array}

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