1.

यदि ` y= tan ^(-1) {(acos x -bsin x )/(bcos x + asin x )} ,(dy)/(dx)= `A. ` (1)/(1+x^(2))`B. ` (1)/(sqrt(1-x^(2)))`C. `-1`D. इनमें से कोई नहीं

Answer» Correct Answer - C


Discussion

No Comment Found