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Popular >

simplify (9x^2)^{1/2}

Solution

simplify

(9 x^{2})^{\frac{1}{2}}

Solution

3 x

Solution steps

(9 x^{2})^{\frac{1}{2}}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

(9 x^{2})^{\frac{1}{2}} = 9^{\frac{1}{2}} (x^{2})^{\frac{1}{2}}

= 9^{\frac{1}{2}} (x^{2})^{\frac{1}{2}}

9^{\frac{1}{2}} = 3

= 3 (x^{2})^{\frac{1}{2}}

Apply exponent rule:

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

assuming

a \geq 0

(x^{2})^{\frac{1}{2}} = x^{2 \cdot \frac{1}{2}}

= 3 x^{2 \cdot \frac{1}{2}}

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

= 3 x^{1}

Apply exponent rule:

a^{1} = a

x^{1} = x

= 3 x

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Frequently Asked Questions (FAQ)

What is (9x^2)^{1/2} ?
The solution to (9x^2)^{1/2} is 3x