Simplify- 14- 2i7 - 12i where i-1

(14+2i)(7+12i)=14× 7+14× 12i+2i× 7+2i× 12i =98+168 i+14i 24 =74+182i ...

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Complex Numbers

Simplify: 14...

Question

Simplify: $(14 + 2 i) (7 + 12 i)$ where $i = \sqrt{- 1}$

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Solution

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- (14)^{2} + 16^{2} - (- 1)^{2}

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