Lemma
MediumBinomial theorem
OpenStax, Intermediate Algebra 2e §12.4 Binomial Theorem · Review Exercise 79 · Algebra · Binomial theorem

Binomial Theorem · Review Exercise 79

Find the indicated term and give the formula for the general term.

Find the twenty-first term of a sequence where the seventh term is and the common difference is

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · check your work with Lemma

OpenStax, Intermediate Algebra 2e · §12.4 Binomial Theorem · Review Exercise 79

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.