Express (4-3i)^3 in the form (a+ib)

PoentWeptgj

PoentWeptgj

Answered

2022-07-26

Express (4-3i)^3 in the form (a+ib)

Answer & Explanation

jbacapzh

jbacapzh

Expert

2022-07-27Added 18 answers

We have,
(4-3i)^3 = 4^3 - (3i)^3 - 3 X 4 X 3i X (4-3i)
=64-27i^3-36(4-3i)
=(64-108)+i(27-144)
=(-44-117i)
Therefore,
(4-3i)^3 = (-44-117i)

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