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If a= 2+ root 3 , find the value of a +1/ a |
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Answer» Step-by-step explanation: GN: a= 2+root3 To find: a+1/a 2+root3+1/2+root3 (After TAKING L.C.M) (2+root3)^2+1/2+root3 => 4+3+1+4root3/2+root3 => 8+4root3/2+root3 By RATIONALISING the denominator, => 8+4root3(2-root3)/2+root3(2-root3) => 16+8root3-8root3-12/4-3 => 4........... |
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