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How do you rationalize the denominator and simplify #2/sqrt5#?

Answer 1

Eva Adamson

#2/sqrt5=(2sqrt5)/5#

#2/sqrt5=(2sqrt5)/(sqrt5sqrt5)#

[since #sqrt5/sqrt5=1#]

#2/sqrt5=(2sqrt5)/5#

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Answer 2

Avery Alexander

To rationalize the denominator and simplify 2/sqrt(5), you multiply both the numerator and denominator by sqrt(5). This results in (2 * sqrt(5))/(sqrt(5) * sqrt(5)), which simplifies to (2 * sqrt(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.

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