Multinomial Coefficient 2

Find the coefficient of $a^{2} b^{5} d$ in the expansion of $(a + b - c - d)^{8}$ .

~5 minAnswer checked instantlyMultinomial TheoremCoefficients

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XV. Multinomial Theorem, Examples XV, No. 2

Stuck? A gentle nudge

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.

Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).