Skip to content
MathsGenie logo
Quick links
Open app

Course home

  1. A Level
  2. Maths WJEC
  3. Question bank

3.4.1 Sequences and Series (A-level only)

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142
Question 11
a.

Find the binomial expansion of (125+75x)13\displaystyle (125 + 75x)^{\frac{1}{3}}(125+75x)31​ in ascending powers of xxx, up to and including the term in x3x^3x3.

[4]
b.

Find the range of values of x x\,x for which this expansion is valid.

[1]

3.4.1 Sequences and Series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4.1 Sequences and Series (A-level only)