#1748 · Algebra · Sequences & series

General Term of Expando

Find the general term of the following expression when expanded in ascending powers of $x$ : $\frac{1 + 3 x}{1 + 11 x + 28 x ^{2}}$ .

~10 minAnswer checked instantlypartial fractionsbinomial theoremgeneral term

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XXIII. Partial Fractions, Examples XXIII, No. 12

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