defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Complex Numbers Properties of Complex Numbers
What is the multiplicative inverse of the given complex number?
z = 12 - 5i
1
-12 + 5i
2
\(\frac{12}{169}+\frac{5}{169} \mathrm{i} \)
3
\(\frac{12}{13}+\frac{5}{13} \mathrm{i}\)
4
12 + 5i