2024 IGCSE Additional Mathematics May/June 0606/22 Q11

8 marks

In the binomial expansion of \(\left(2+\dfrac x2\right)^n\), the first three terms in increasing powers of \(x\) are \(b+abx+\dfrac98abx^2\). Find the values of the constants \(n\), \(a\) and \(b\).[8]

Solution:

Solution locked

Similar questions are unavailable for this question.

Answer:\(n=10,\quad a=\dfrac52,\quad b=1024\).

Need help? Join our JC Math tuition classes.

Learn more