3.4.1 Sequences and Series (A-level only)

a.

Expand $(32+80x)15\displaystyle (32 + 80x)^{\frac{1}{5}}$ in ascending powers of $x\,$ up to and including the term in $x^3$ .

[4]

b.

Write down the range of values of $x\,$ for which the expansion is valid.

[1]

a.

Expand $(32+80x)15\displaystyle (32 + 80x)^{\frac{1}{5}}$ in ascending powers of $x\,$ up to and including the term in $x^3$ .

[4]

b.

Write down the range of values of $x\,$ for which the expansion is valid.

[1]

3.4.1 Sequences and Series (A-level only) Questions