3 years ago

Anwser: (1-4-6+56)×6-8-3

Mathematics

1 answer:

natulia [17]3 years ago

3 0

Answer:

271

Step-by-step explanation:

1-4-6+56=47

47*6=282

282-8-3

271

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Step-by-step explanation:

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2 years ago

In the third degree polynomial function f(x) =x^3 + 4x, why are 2i and -2i zeros?

IgorC [24]

Answer:

We just need to evaluate and get f(2i)=0, f(-2i)=0.

Step-by-step explanation:

Since $i^2=-1$ , then $i^3=i^2i=-i$ , and we can apply this when we evaluate $f(x) =x^3 + 4x$ for 2i and -2i.

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