`sqrt((a^(2)-x^(2))/(a^(2)+x^(2)))`

1.	`sqrt((a^(2)-x^(2))/(a^(2)+x^(2)))`
Answer» Correct Answer - `(-2a^(2)x)/((a^(2)+x^(2))^(3//2)(a^(2)-x^(2))^(1//2))`

Discussion

`"If "y^(1//m)=(x+sqrt(1+x^(2)))," then "(1+x^(2))y_(2)+xy_(1)` is (where `y_(r)` represents the rth derivative of y w.r.t. x)A. `m^(2)y`B. `my^(2)`C. `m^(2)y^(2)`D. none of these
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The slope of the tangent to the curve `(y-x^5)^2=x(1+x^2)^2`at the point `(1,3)`is.
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If `f(theta) = sin(tan^(-1)(sintheta/sqrt(cos2theta)))`, where `-pi/4 lt theta lt pi/4,` then the value of `d/(d(tantheta)) f(theta)` is