(→Perform Operation) |
(→Perform Operation) |
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== Perform Operation == | == Perform Operation == | ||
| − | <math>(2 + 3*i) - (6 - 4*i) = -4 + 7*i | + | <math>(2 + 3*i) - (6 - 4*i) = -4 + 7*i</math> |
<math> 7*i \times (7 - 3*i) = 49*i - 21*i^2 = 49*i - 21*(-1) = 21 + 49*i</math> | <math> 7*i \times (7 - 3*i) = 49*i - 21*i^2 = 49*i - 21*(-1) = 21 + 49*i</math> | ||
Revision as of 06:11, 3 September 2008
Find Conjugate
$ 5 - 3*i = 5 + 3*i $
$ 21 + 15*i = 21 - 15*i $
Perform Operation
$ (2 + 3*i) - (6 - 4*i) = -4 + 7*i $
$ 7*i \times (7 - 3*i) = 49*i - 21*i^2 = 49*i - 21*(-1) = 21 + 49*i $
