February/March 2026 Paper 32

2026 · 11 questions · 21 parts · 75 marks

0/75 marks

0Correct0Partial0Wrong21Unattempted

Filters0 active

Questions

Select a part to jump to its question

–/4 mks

–/4 mks

–/4 mks

–/6 mks

–/6 mks

–/6 mks

–/7 mks

–/8 mks

–/9 mks

–/9 mks

–/12 mks

Context for question 4

The coefficient of

x^{3}

in the expansion of

(1 - a x)^{\frac{2}{5}}

is 1.

4(a)Binomial ExpansionMedium2 marks

Find the value of

a

.

4(b)Binomial ExpansionHard3 marks

Hence, find the coefficient of

x^{4}

in the expansion of

(2 x + 1) (1 - a x)^{\frac{2}{5}}

.

Working

0 words

4(c)Binomial ExpansionEasy1 mark

State the set of values of

x

for which the expansion in 4(b) is valid.

Answer

0 words