1.7.1 Binomial expansion

Find, in ascending powers of $x$ up to and including the term in $x^3$ , the binomial expansion of

3x)^{-2} \quad \text{for } |x| < \frac{1}{3}

fully simplifying each term.

[4]

Find, in ascending powers of $x$ up to and including the term in $x^3$ , the binomial expansion of

3x)^{-2} \quad \text{for } |x| < \frac{1}{3}

fully simplifying each term.

[4]

1.7.1 Binomial expansion Questions