(2-i)(2+i)

asked by guest
on Nov 23, 2024 at 3:08 am



You asked:

Evaluate the expression: \(\left(2 - i\right) \cdot \left(2 + i\right)\)

MathBot Answer:

Evaluated



\(\displaystyle \left(2 - i\right) \cdot \left(2 + i\right) = \left(2 - i\right) \left(2 + i\right) \)


Expanded

\[\left(2 - i\right) \cdot \left(2 + i\right) = 5\]


\(i\) is the imaginary unit, defined as \(i^2 = -1\).