Question

Use the Binomial Theorem to expand (t – w)4.
a.
t4 – 4t3w + 6t2w2 – 4tw3 + w4
c.
t4 – 4t3w – 12t2w2 + 24tw3 + 24w4
b.
t4 – 6t3w + 8t2w2 – 6tw3 + w4
d.
t4 – w4

Answer 1

You're basically going to do this:
(t-w)(t-w)(t-w)(t-w), and multiply.