Find the equation of the normal to the curve y= 2x\(^2\) - 5x + 10 at P(1, 7).

Find the value of the derivative of y = 3x\(^2\) (2x +1) with respect to x at the point x = 2. 

Find the radius of the circle 2x\(^2\) - 4x + 2y\(^2\) - 6y -2 = 0. 

Given that f: x --> x\(^2\) - x + 1 is defined on the Set Q = { x : 0 ≤ x < 20, x is a multiple of 5}. find the set of range of F.

If \(\frac{15 - 2x}{(x+4)(x-3)}\) = \(\frac{R}{(x+4)}\) \(\frac{9}{7(x-3)}\), find the value of R