Problem 29 of 7
Find the requested term in binomial expansion: fourth term of (x+y)^6.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
use general term formula.
Hidden until you reveal it.
Use the general binomial term with correct indexing and powers.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Determine k from requested position or power.
2. Write nCk(first)^(n-k)(second)^k.
3. Simplify the term.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using term number as k without accounting for one-based versus zero-based wording.