### Trigonometry

Posted:

**Tue Mar 22, 2016 5:20 pm**A triangle has sides of length (n^2+n+1), (2n+1) and (n^2-1) where n>1.

Explain why the side (n^2+n+1) must be the longest side of the triangle ( 3 MARKS)

Please show the solution.

Explain why the side (n^2+n+1) must be the longest side of the triangle ( 3 MARKS)

Please show the solution.