Question

Simplify
√4
√5

Options:
A)√10 B) 2√5 C)√5 D) √15
√5 5 2 3

Answer 1

Answer:

2√5

Step-by-step explanation:

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Answer 2

Answer:

Correct option is b) 2√5.

Step-by-step explanation:

$\sqrt{4} \times \sqrt{5} \\ \\ = \sqrt{4 \times 5} \\ = \sqrt{20} \\ \: when \: \: we \: \: will \: \: do \: \: prime \\ \: \: factorisation \: , \: we \: \: get \\ \\ = \sqrt{2 \times 2 \times 5} \\ \\ = 2 \sqrt{5}$

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