Hi All,

Am having a real brain fade tonight, can you help me with the following:

Differentiate y = x² + bx + c, and hence find b and c if:

e) the parabola is tangent to 3x + y – 5 = 0 at the point T(3,-1)

f) the line 3x + y – 5 = 0 is a normal at the point T(3,-1)

Thanks heaps