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Simplify
- x−2x−2−y−2\frac { x ^ { - 2 } } { x ^ { - 2 } - y ^ { - 2 } }

Question 285

Multiple Choice

Simplify.
- x−2x−2−y−2\frac { x ^ { - 2 } } { x ^ { - 2 } - y ^ { - 2 } }


A) y2−x2y2\frac { y ^ { 2 } - x ^ { 2 } } { y ^ { 2 } }
B) yy2−x2\frac { y } { y ^ { 2 } - x ^ { 2 } }
C) y2y2−x2\frac { y ^ { 2 } } { y ^ { 2 } - x ^ { 2 } }
D) y2y2+x2\frac { y ^ { 2 } } { y ^ { 2 } + x ^ { 2 } }

Correct Answer:

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