Question

Answer the following
$value \: of \: \sqrt{4} \: \\ \\ a \: . \: \: \: \: \: \: 2 \\ b \: . \: \: - 2 \\ c \: . \: \pm2 \: \\ d \: . \: none$
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Answer 1

Answer:

Hey!! Ur answer:

$\sqrt{4} = 2 \\ (a) \: option$

Step-by-step explanation:

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Answer 2

a) 2

$\sqrt{4} = 2$

The defination of square root is

√a²= |a| = a if a>0 , 0 if a=0 , - a if a<0

Thus, if you think

√4=√2² that implies √4= |2| = 2 as 2>o

again, if you think √4=√(-2)² that also implies

√4=|-2|=-(-2) =2 as -2<0

So in any case √4=2

The square root of 4 is basically asking “what times itself is 4?” 2 times 2 is 4.

Therefore, the square root of 4 is 2.

It is not -2 because the square root function is defined to be the principal square root.

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