Question

which of the following is equivalent to the complex number shown above?
The choices for the answer are :
i-4
i+4
-i-4
-i+4​

Answer 1

Answer:

i-4

Step-by-step explanation:

(i^2 - 16)

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i+4

Factor the numerator, noticing this is the difference of squares

(i-4)(i+4)

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(i+4)

Cancel like terms

i-4