Binomial Theorem - Coefficients in Products of Binomial Expansions

Binomial Theorem - Coefficients in Products of Binomial Expansions

Secondary 4
5 marks

The coefficient of \(x^3\) in the expansion of \((10+kx)\left(2-\frac{1}{2}x\right)^8\) is zero.

Find the value of the constant \(k\).[5]

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs a course plan.

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:\(k=5\)

Need help? Join our A-Maths tuition classes.

Learn more