Math, asked by krish4690, 1 year ago

rationalise the denometor 1 / 2+√3

varunn04: the answer is2-√3

Answers

Answered by Anonymous

I hope it help you......

Attachments:

krish4690: it is wrong

krish4690: ans is 0.714285 bar

Anonymous: bar cannot be answered as there is no situation specified for barr , it is a question of rationalising

Anonymous: *bar not barr

krish4690: ans in txt

Anonymous: it should be wrong as there is many misprint in a book , don't consider that

krish4690: ok

krish4690: thanks

Answered by Anonymous

Answer :-

$\frac{1}{2 + \sqrt{3} } \\ \\ on \: rationalising \\ \\ = \frac{1}{2 + \sqrt{3} } \times \frac{2 - \sqrt{3} }{2 - \sqrt{3} } \\ \\ = \frac{2 - \sqrt{3} }{ {2}^{2} - { \sqrt{3} }^{2} } \\ \\ = \frac{2 - \sqrt{3} }{4 - 3} \\ \\ \\ = 2 - \sqrt{3}$

Hope it helps

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