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Popular >

simplify (-sqrt(7))^2

Solution

simplify

(- 7)^{2}

Solution

7

Solution steps

(- 7)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

(- 7)^{2} = (7)^{2}

= (7)^{2}

Apply radical rule:

a = a^{\frac{1}{2}}

= (7^{\frac{1}{2}})^{2}

Apply exponent rule:

(a^{b})^{c} = a^{b c}

= 7^{\frac{1}{2} \cdot 2}

\frac{1}{2} \cdot 2 = 1

= 7

Popular Examples

1 \frac{3}{7}

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\frac{1}{16} \cdot 2

simplify 5sqrt(343)simplify

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Frequently Asked Questions (FAQ)

What is (-sqrt(7))^2 ?
The solution to (-sqrt(7))^2 is 7