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 · compare with the solution

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

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.