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[" (i) If "y=(x+sqrt(x^(2)+a^(2)))^(n)" ...

[" (i) If "y=(x+sqrt(x^(2)+a^(2)))^(n)" ,then prove that,"],[(dy)/(dx)=(ny)/(sqrt(x^(2)+a^(2)))quad " [cBSE "'" 051"]

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