Question

Rationalize the denominators

Answer 1

Answer:

A. 1/√2+√5

==> 1/√2+√5 × √2-√5 / √2 - √5

==> √2-√5 / 2-5 ==> √2-√5/-3

B. 1/√6-4

==> 1/√6-4 × √6+4/√6+4

==> √6+4/ 6-16

==> √6+4/-10

==> -√6+4/10

C. 1/√2

==> 1/√2 × √2/√2

==> √2/2

D. 1/√3-√6

==> 1/√3-√6 × √3+√6/√3+√6

==> √3+√6/3-6

==> √3+√6 / -3

Answer 2

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