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Simplify the Expression 20x2y49\sqrt { \frac { 20 x ^ { 2 } y } { 49 } }

Question 432

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- 20x2y49\sqrt { \frac { 20 x ^ { 2 } y } { 49 } }


A) 25x2y7\frac { 2 \sqrt { 5 x ^ { 2 } y } } { 7 }
B) 4x5y4 x \sqrt { 5 y }
C) x20y7x \sqrt { \frac { 20 y } { 7 } }
D) 2x5y7\frac { 2 x \sqrt { 5 y } } { 7 }

Correct Answer:

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