# calculus

posted by
**anita**
.

Point P(a,b) is on the curve

square root of x + square root of y =1.

Show that the slope of the tangent at P is : - square root of (b/a).

posted by
**anita**
.

Point P(a,b) is on the curve

square root of x + square root of y =1.

Show that the slope of the tangent at P is : - square root of (b/a).