Question

(2√5)^ 2 solve this

Answer 1

❣ANSWER❣

$(2 \sqrt{5}) {}^{2} = \\ 4\times5 = 20$

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Answer 2

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Given

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To find value of

(2√5)²

First

Do like that

(2√5)²

First find square of 2

And (2)² = 4

And Value of (√5)² = 5

And at last Multiply

all

5 × 4 = 20

To solve solutions like this

Square both of the terms

and the term which is in root ,

when multiplied by Square

then then it will the number it self without the root