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Find the Reciprocal x2+8xy−y2x2−7xy+y2\frac { x ^ { 2 } + 8 x y - y ^ { 2 } } { x ^ { 2 } - 7 x y + y ^ { 2 } }

Question 20

Multiple Choice

Find the reciprocal.
- x2+8xy−y2x2−7xy+y2\frac { x ^ { 2 } + 8 x y - y ^ { 2 } } { x ^ { 2 } - 7 x y + y ^ { 2 } }


A) x2+7xy+y2x2−8xy−y2\frac { x ^ { 2 } + 7 x y + y ^ { 2 } } { x ^ { 2 } - 8 x y - y ^ { 2 } }
B) 1x2−7xy−y2\frac { 1 } { x ^ { 2 } - 7 x y - y ^ { 2 } }
C) x2−7xy+y2x2+8xy−y2\frac { x ^ { 2 } - 7 x y + y ^ { 2 } } { x ^ { 2 } + 8 x y - y ^ { 2 } }
D) x2−8xy+y2x2+7xy−y2\frac { x ^ { 2 } - 8 x y + y ^ { 2 } } { x ^ { 2 } + 7 x y - y ^ { 2 } }

Correct Answer:

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