Exercise 64

Simplify the following expressions if possible.

  1. \(\displaystyle{ {n^{2}+n^{2}}=}\)

  2. \(\displaystyle{ (n^2)(n^2)=}\)

  3. \(\displaystyle{ {n^{2}+n^{4}}=}\)

  4. \(\displaystyle{ (n^2)(n^4)=}\)

in-context