please answer it guys
it's from lesson- complex numbers
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=
Step-by-step explanation:
= 1+(i^4)^3+2 + (i^4)^4+2 +(i^4)^5+2
=1+(1)×(-1)+(1)×(-1)+(1)×(-1)
=1-1-1-1
=-2
= - 2 €R so it is real number
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