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How do you simplify: 2/the square root of 5?

Answer 1

Abigail Allen

#2/sqrt(5) = (2sqrt(5))/5#

You can rationalise the denominator by multiplying both numerator and denominator by #sqrt(5)#

#2/sqrt(5) = (2*sqrt(5))/(sqrt(5)*sqrt(5)) = (2sqrt(5))/5#

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Answer 2

Eva Abramson

To simplify 2 divided by the square root of 5, you can multiply both the numerator and denominator by the square root of 5. This results in (2 * √5) / (√5 * √5), which simplifies to (2√5) / 5.

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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.