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[" 13.If "X=9+4sqrt(5)" then "sqrt(x)-(1...

[" 13.If "X=9+4sqrt(5)" then "sqrt(x)-(1)/(sqrt(x))=],[[" A) "-4," B) "4," C) "6," D) "-3]]

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if x=9+4sqrt(5) find the value of sqrt(x)-(1)/(sqrt(x))

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Solve : sqrt(9+2x)-sqrt(2x)=(5)/(sqrt(9+2x)) .

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solve sqrt((x-5))-sqrt(9-x)>1,x in Z

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int_(4)^(9)(1)/(sqrt(x)(1+sqrt(x))dx)