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" 9.(i) "" यfद "x=9+4sqrt(5)" हो,तो (a) ...

" 9.(i) "" यfद "x=9+4sqrt(5)" हो,तो (a) "sqrt(x)-(1)/(sqrt(x))

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

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a=9-4sqrt(5),sqrt(a)-(1)/(sqrt(a))=?

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