If \(a = 2\) and \(b = - 3\), evaluate \(a^2 b – a b ^ 2\)
\(\displaystyle{-30}\) | |
\(\displaystyle{-24}\) | |
\(\displaystyle{0}\) | |
\(\displaystyle{6}\) | |
\(\displaystyle{-48}\) |
After watching the video, try this problem to practice more.
If \(a = 1\) and \(b = -5\), evaluate \[( a – b )^2 – ( a + b )^2\]
\(\displaystyle{4}\) | |
\(\displaystyle{0}\) | |
\(\displaystyle{20}\) | |
\(\displaystyle{52}\) | |
\(\displaystyle{-20}\) |