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17-09-2020
Mathematics

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Simplify the expression (9 + 2i)(9 − 2i):
81 − 18i
81 + 18i
77
85

Respuesta :

wahajkashif6 wahajkashif6

17-09-2020

Answer:

Answer is 85. Can't simplify it anymore

Step-by-step explanation:

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