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Simplify the Expression 55+7\frac { 5 } { \sqrt { 5 } + \sqrt { 7 } }

Question 56

Multiple Choice

Simplify the expression 55+7\frac { 5 } { \sqrt { 5 } + \sqrt { 7 } } .


A) 5(5+7) 2\frac { 5 ( \sqrt { 5 } + \sqrt { 7 } ) } { 2 }
B) 5(57) 12\frac { 5 ( \sqrt { 5 } - \sqrt { 7 } ) } { 12 }
C) 5(57) 2- \frac { 5 ( \sqrt { 5 } - \sqrt { 7 } ) } { 2 }
D) 5(57) 24\frac { 5 ( \sqrt { 5 } - \sqrt { 7 } ) } { 24 }
E) 5(5+7) 74\frac { 5 ( \sqrt { 5 } + \sqrt { 7 } ) } { 74 }

Correct Answer:

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