Add the following monomials -3r tiny 2 S+11r tiny 2 S

Answer 1

To add the monomials \(-3r^2 S\) and \(11r^2 S\), you need to combine the coefficients of the like terms.

\[ -3r^2 S + 11r^2 S = (11 - 3)r^2 S = 8r^2 S \]

So, the sum of the monomials is \(8r^2 S\).