someone please help!!!!
i got the solutions k = 2.5/2.0625
is the right???
how about part b) ?
A curve has the equation y=root x(k-x) where k is a constant.
Given that the gradient of the curve is root 2 at the Point P where x=2.
a. find the value of k.
b.show that the normal to the curve at P has the equation
x+root 2y=c where c is an integer to be found.