Question

plz answer fast anyone ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$( \frac{3 \sqrt{5} }{5} ) {}^{2} \\ = \frac{(3 \sqrt{5} )(3 \sqrt{5}) }{5 \times 5} \\ = \frac{3 \times 3 \times \sqrt{5 } \times \sqrt{5} }{5 \times 5} \\ = \frac{9 \times 5}{25} \\ = \frac{45}{25} \\ = \frac{9}{5}$

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