1.

`x` के सापेक्ष अवकलन कीजिये: `(cos^(-1)(x/2))/sqrt(2x+7), -2 lt x lt 2`

Answer» Correct Answer - `-[(1)/(sqrt(4-x^(2))sqrt(2x+7))+(cos^(-1)""(x)/(2))/((2x+7)^((3)/(2)))]`


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