Precalculus
Perform the indicated operations on the following complex numbers and express the answer in standard form.
(9 + 4i) + (2 - 8i)
(- 2 + 7i)(11 + 2i)
Simplify the following expression and express the answer in standard form.
√(- 245)
Simplify the following expression and express the answer in standard form, if necessary.
(- 6 + √- 27)/15
(3 - 9i)(1 + 8i)
