How do you divide 2i4−5i?

William Montgomery

William Montgomery

Answered

2022-02-02

How do you divide 2i45i?

Answer & Explanation

KickAntitte06

KickAntitte06

Expert

2022-02-03Added 11 answers

Step 1
Multiply by the complex conjugate.
2i45i(4+5i4+5i)=8i+10i216+20i20i25i2=8i+10i21625i2
Recall that i=1, so i2=1
8i+10(1)1625(1)=8i1016+25=10+8i41
In the form of a complex number, this would be written as:
1041+841i

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