(main)[3]
Expand $(1 + 2x)^{-3}$ as a series in ascending powers of $x$, including terms up to and including the one in $x^2$, and simplify the coefficients.
Mathematics 9709 · AS & A Level · Algebra
Mathematics 9709 · AS & A Level · Algebra
Expand $(1 + 2x)^{-3}$ as a series in ascending powers of $x$, including terms up to and including the one in $x^2$, and simplify the coefficients.