If the tangent drawn at any point `P(a cos^(4)theta,a sin^(4)theta)` on the curve `sqrt(x)+sqrt(y)=sqrt(a)` meets the co-ordinate axes in `A,B` respectively then. The value of `(OA-OB)/(OA+OB)` is (where `O` is origin)

If the tangent drawn at any point P(a cos^(4)theta, a sin^(4)theta) on the curve sqrt(x)+sqrt(y)=sqrt(a) meets the co-ordinate axes in A and B respectively then Q: The value of (OA-OB)/(OA+OB) is (where O is origin)

If the tangent drawn at any point P(a cos^(4)theta,a sin^(4)theta) on the curve sqrt(x)+sqrt(y)=sqrt(a) meets the co-ordinate axes in A , B respectively then. The value of PA when theta=(pi)/(4) is (where PA is the length of tangent P)

" The area bounded by the curve "sqrt(x)+sqrt(y)=sqrt(a)(a>0)" and the co-ordinate axes is "

" The area of the region formed by the curve ",sqrt(x)+sqrt(y)=4" between co-ordinate axes "

The distance between the points (cos theta,sin theta) and (sin theta-cos theta) is sqrt(3)(b)sqrt(2)(d)1

The sum of the intercepts made by a tangent to the curve sqrt(x)+sqrt(y)=4 at point (4,4) on coordinate axes is-

For the curve x=a cos^(3) theta, y= a sin^(3) theta, the sum of the squares of the intercepts made by any tangent on the co-ordinate axes is

If any tangent to the ellipse 25x^(2)+9y^2=225 meets the coordinate axes at A and B such that OA = OB then , the length AB is equal to (where , O is the origin)