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nirvana33 [79]
3 years ago
11

How do you solve 1. X^2-x+1=0 2. X^2-2x+5=0 In the complex number system ?

Mathematics
1 answer:
Alexxandr [17]3 years ago
8 0
You use the discriminant (b²-sqr(4ac))/2a and if sqr(4ac) inferior to 0 then use i = sqr(-1)
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Each of the answers given at the right talks about the fourth month. So let's compare each of the fourth month's profits.

When the month t = 4 in Company B, the company made 10 hundred (or 1000) dollars in profits.

When the month t = 4 in Company A, we evaluate the function at t = 4. To do that we put t = 4 into the function.

P(4) = 1.8(1.4)⁴

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Each of the answers also talks about year end profits, which would be after 12 months. The function for company B is linear whereas it is exponential for A. An exponential function will grow faster in A and have higher maximum values. We can conclude that year end profits for A will be higher.

We put the statements together - that B makes in the 4th month but at year's end A will make more.

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