Maths m2 mock question

suppose that p(a,2(a^2)-2) is a moving point on the curve C:y=2(x^2)-2
a. find the coordinates of P when |vector OP| is minimum.
b. show OP is the normal to the curve C at P.
c. find the shortest distance from the point Q(5,-1) to the curve C.

不會C PART,求解。
2 answers 2