Evaluate $\lim _ { ( x , y ) \rightarrow ( 0,0 ) } \frac { x ^ { 2 } - y ^ { 2 } } { x ^ { 2 } + y ^ { 2 } }$

question 164

Multiple Choice

Evaluate $\lim _ { ( x , y ) \rightarrow ( 0,0 ) } \frac { x ^ { 2 } - y ^ { 2 } } { x ^ { 2 } + y ^ { 2 } }$

• A)0
• B)1
• C) \(- 1\)
• D) \(\frac { 1 } { 2 }\)
• E) \(- \frac { 1 } { 2 }\)
• F) \(\frac { 1 } { 3 }\)
• G) \(- \frac { 1 } { 3 }\)
• H)Does not exist

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