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Popular >

simplify sqrt(29^2-20^2)

Solution

simplify

2 9^{2} - 2 0^{2}

Solution

21

Solution steps

2 9^{2} - 2 0^{2}

2 9^{2} - 2 0^{2} = 441

= 441

Factor the number:

441 = 2 1^{2}

= 2 1^{2}

Apply radical rule:

a^{2} = a, a \geq 0

2 1^{2} = 21

= 21

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Frequently Asked Questions (FAQ)

What is sqrt(29^2-20^2) ?
The solution to sqrt(29^2-20^2) is 21