Math, asked by shashankshahuikey, 6 months ago

e
Rationalize
the denominator 1/√5-2

Answers

Answered by yogita03526

1

by rationalising

multiply √5+2 on both N and D

=1/√5-2 ×(√5+2/√5+2)

=√5+2/(√5)²-(2)²

=√5+2/5-4

=√5-2/1

=√5-2

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