(i) For the expansion of , write the general term and obtain an expression for its…

MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series

Problem

(i) For the expansion of

(3x^{2}-2/x)^{8}

, write the general term and obtain an expression for its power of

x

in terms of

r

. (ii) Determine the value of

r

for which the term contains

x^{4}

. (iii) Hence find the coefficient of

x^{4}

in the expansion.