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Simplify the Expression 15+520345\frac { 1 } { \sqrt { 5 } } + \frac { 5 } { \sqrt { 20 } } - \frac { 3 } { \sqrt { 45 } }

Question 274

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- 15+520345\frac { 1 } { \sqrt { 5 } } + \frac { 5 } { \sqrt { 20 } } - \frac { 3 } { \sqrt { 45 } }


A) 125\frac { 1 } { 2 } \sqrt { 5 }

B) 1235\frac { 1 } { 2 } \sqrt { 35 }

C) 17305- \frac { 17 } { 30 } \sqrt { 5 }

D) 173015\frac { 17 } { 30 } \frac { 1 } { \sqrt { 5 } }

Correct Answer:

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