Polynomial sums

Polynomial sums

4 marks
Tim Gan Math Original

Simplify \(\sum_{r=1}^{n}(r-1)(3r+2)\) in terms of \(n\).[4]

Solution:

Solution locked

Sign in to view the step-by-step solution

Finding similar questions...
Answer:\(n(n-1)(n+2)\)

Need help? Join our JC Math tuition classes.

Learn more