Q54Multiple choice
Write the coefficient of x2 in the following:
- (i)x2 – x + 4
- (ii)x3 – 2x2 + 3x + 1
- (iii)1 + 2x + 3x2 + 4x3
- (iv)y + y2x + y3x2 + y4x3
Show answer
(i) x2 – x + 4
(ii) x3 – 2x2 + 3x + 1
(iii) 1 + 2x + 3x2 + 4x3
(iv) y + y2x + y3x2 + y4x3