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Rationalize the Denominator xy6x+7y\frac { \sqrt { x } - \sqrt { y } } { \sqrt { 6 x } + \sqrt { 7 y } }

Question 49

Multiple Choice

Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not
zero.
- xy6x+7y\frac { \sqrt { x } - \sqrt { y } } { \sqrt { 6 x } + \sqrt { 7 y } }


A) x67xy6xy+y76x7y\frac { x \sqrt { 6 } - \sqrt { 7 x y } - \sqrt { 6 x y } + y \sqrt { 7 } } { 6 x - 7 y }

B) 6x13xy+7y6x7y\frac { \sqrt { 6 x } - \sqrt { 13 x y } + \sqrt { 7 y } } { 6 x - 7 y }

C) 6x13xy+7y6x+7y\frac { \sqrt { 6 x } - \sqrt { 13 x y } + \sqrt { 7 y } } { 6 x + 7 y }

D) x67xy6xy+y76x+7y\frac { x \sqrt { 6 } - \sqrt { 7 x y } - \sqrt { 6 x y } + y \sqrt { 7 } } { 6 x + 7 y }

Correct Answer:

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