Lemma
MediumBinomial theorem
Lemma practice generator binomial-coefficient-term #3,849 · Algebra · Binomial theorem

A coefficient in a binomial expansion

Find the coefficient of in the expansion of .

~5 minAnswer checked instantly
Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your answer
Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.