Write down the first three terms of the binomial expansion of $\frac{1}{(1-x)^2}$ in descending po

Question

Write down the first three terms of the binomial expansion of $\frac{1}{(1-x)^2}$ in descending powers of $x$. State the values of $x$ for which the expansion is valid.

Accepted Answer

$\frac1{x^2}+\frac2{x^3}+\frac3{x^4}+\cdots$, valid for $|x|>1$.

Example involving Binomial Series

Example involving Binomial Series

Solution:

Solution locked