# Binomial expansions

Watch
#1
show that ∛(256/(4+3x)) = a + bx + cx^2 for small values of x, stating the values of the constants a,b and c,
0
1 month ago
#2
What have you done so far?
0
1 month ago
#3
(Original post by HayesyBoy23)
show that ∛(256/(4+3x)) = a + bx + cx^2 for small values of x, stating the values of the constants a,b and c,
First rearrange the fraction so you have the denominator to the negative power, factor the four out, so you can have the binomial term form (1+x)^n, then try again.
0
X

new posts
Back
to top
Latest
My Feed

### Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

### See more of what you like onThe Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

### Poll

Join the discussion

#### Do you think non-essential uni exams should be cancelled?

Yes, they should be cancelled altogether (214)
52.58%
No, they should still go ahead (57)
14%
They should be cancelled for everyone but final year (136)
33.42%