Find the coefficient of x^4 in the expansion of: x(2x^2 - 3x + 1)(3x^2 + x - 4)

Only the terms which will form the x4 term need to be considered:x * 2x2 * x + x * -3x * 3x2 = -7x4Therefore the answer is -7.

FH

Related Maths A Level answers

All answers ▸

Express (16x+78)/(2x^2+25x+63) as two fractions


Can I take a derivative at x=0 for the function f(x) = |x| ?


Where does the geometric series formula come from?


Find the roots of the equation y=x^2-8x+5 by completing the square.