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Arlecino [84]
3 years ago
14

If f ( x ) = 3 - i and g ( x ) = 4i,

Mathematics
1 answer:
klemol [59]3 years ago
3 0

Answer:

f(x)g(x) = (3 - i)(4i) \\  = 12i - 4 {i}^{2}  \\  =  \boxed{12i  + 4 }\\ remember \:the \: value \: of \:  {i}\: is \:  \sqrt{ - 1}  \\ and  \: {i}^{2}  \: is - 1 \\ d. (4 + 12i)\: is \: the \: right \: answer.

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