AM-1349

Binomial expansion

A Math · Secondary 4 · Easy · Binomial expansion

Which of the following is the correct expansion of

(1-2x)^4

using the binomial theorem?

$1-8x+24x^2-32x^3+16x^4$
$1+8x+24x^2+32x^3+16x^4$
$1-8x+16x^2-16x^3+8x^4$
$1-4x+6x^2-4x^3+x^4$

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.

Loading problem…