PYQ Vault
Bank
Guides
Notes
Mocks
Board
Blog
About
Bank
Guides
Notes
Mocks
Board
NDA · Maths · Complex Numbers
NDA Complex Numbers — Formulas 2
Question
1
of 14
1.
What is the conjugate of a product,
z
1
z
2
‾
\overline{z_1z_2}
z
1
z
2
?
A
z
1
z
2
‾
=
z
ˉ
1
+
z
ˉ
2
\overline{z_1z_2}=\bar z_1+\bar z_2
z
1
z
2
=
z
ˉ
1
+
z
ˉ
2
B
z
1
z
2
‾
=
z
ˉ
1
z
ˉ
2
\overline{z_1z_2}=\bar z_1\,\bar z_2
z
1
z
2
=
z
ˉ
1
z
ˉ
2
C
z
1
z
2
‾
=
z
1
z
ˉ
2
\overline{z_1z_2}=z_1\bar z_2
z
1
z
2
=
z
1
z
ˉ
2
D
z
1
z
2
‾
=
z
1
‾
⋅
z
2
\overline{z_1z_2}=\overline{z_1}\cdot z_2
z
1
z
2
=
z
1
⋅
z
2
Back
Skip