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यदि (If)y=[log(x+sqrt(x^(2)+a^(2)))]^(2)...

यदि (If)`y=[log(x+sqrt(x^(2)+a^(2)))]^(2)`, सिद्ध करें कि (prove that) `(x^(2)+a^(2))y_(2)+xy_(1)=2`

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