Loading [MathJax]/jax/output/SVG/jax.js

help please!

0

392

1

Compute $1\cdot 2^2+2\cdot 3^2+3\cdot4^2+\cdots+19\cdot 20^2.$

Guest Feb 15, 2020

1⁺⁰ Answers

0

Evaluate ∑[n(n +1)^2, n, 1, 19] =41,230

Guest Feb 15, 2020

1 Online Users