Question

The value of √20+√5 is-
a)√25
b)10
c)5√5
d)3√5

Answer 1

hlo buddy Here is ur ans
take common and evaluate
$\sqrt{20} + \sqrt{5} = \sqrt{4} \times \sqrt{5} + \sqrt{5} \\ = \sqrt{5} ( \sqrt{4} + 1) \\ = \sqrt{5} \times (2 + 1) \\ = 3 \sqrt{5}$
ur ans is option d

Answer 2

Hey there , here is your answer

√20+√5 = √(2×2×5)+√5

So, 2√5 + √5 = 3√5

Option d is the correct answer

Hope it helps you

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