The multiplicative inverse of √(64)3×14-3i
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1
Answer:
Let z=
5
+3i
Then,
z
ˉ
=
5
−3i and ∣z∣
2
=(
5
)
2
+3
2
=5+9=14
Therefore, the multiplicative inverse of
5
+3i is given by
z
−1
=
∣z∣
2
z
ˉ
=
14
5
−3i
=
14
5
−
14
3i
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