Question

Expand (n - 4)6

Answer 1

@Asalino , do you know binomial theorem.

Can you write the formula for the expansion of (x-y)^n ?

Answer 2

I'm horrible at it.

Answer 3

Have yous studied binomial theorem?

Answer 4

Yes, but i don't understand it. That is why im asking for help?

Answer 5

This is the formula for the expansion of (x+y)^n : http://upload.wikimedia.org/math/d/4/5/d454f8aff0f034629550981e2646d2c8.png

Answer 6

Now, you need to solve for (n-4)^n

that is put x = n and y = -4...

Can you solve it now?

Answer 7

Yes thank you.

Answer 8

You're welcome Asalino. Also, Welcome to OpenStudy :)