Answers

2014-06-19T20:03:45+05:30
(2+√3)
=[(2+√3)×(2-√3)]/[(2-√3)×(2-√3)]
=(2)²-(√3)²/(2-√3)²
=(4-3)/(2-√3)²
=1/[(2)²+(√3)²-2√3]
=1/[4+3-2√3]
=1/[7-2√3](ans)
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2014-06-19T21:33:44+05:30
The rationalising factor of (2+√3) is (2-√3)
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