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ही “निजी4 यदि x={7+4y3 O क+डक!& (8) 3© 2 ‘ D) 6 |
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Answer» (x+1/x)²=x²+1/x²+2(x+1/x)²=7+4√3+1/(7+4√3)+2(x+1/x)²=7+4√3+7-4√3+2(x+1/x)²=14+2=16 x+1/x=√16=4 option A is correct |
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