Use Polar Coordinates to Find the Limit of the Function $$f ( x , y ) = \frac { 9 x y } { \sqrt { x ^ { 2 } + y ^ { 2 } } }$$

question 292

Multiple Choice

Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0) .
- $$f ( x , y ) = \frac { 9 x y } { \sqrt { x ^ { 2 } + y ^ { 2 } } }$$

• A) \(- 1\)
• B) 0
• C) 1
• D) \(\pi\)

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