How many pairs of integer (a, b) are possible such that a2 – b2 = 288?
x4 – ax3 + bx2 – cx + 8 = 0 divided by x – 1 leaves a remainder of 4, divided by x + 1 leaves remainder 3, find b
What is the remainder when x4 + 5x3 – 3x2 + 4x + 3 is divided by x + 2?