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How do you simplify #sqrt169-sqrt81#?

Answer 1

Eli Assouline

It is #sqrt169-sqrt81=sqrt(13^2)-sqrt(9^2)=13-9=4#

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Answer 2

Savannah Anderson

To simplify sqrt169 - sqrt81, we can calculate the square roots of 169 and 81, and then subtract them. The square root of 169 is 13, and the square root of 81 is 9. Therefore, the simplified form of sqrt169 - sqrt81 is 13 - 9, which equals 4.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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