Q.
If three complex numbers are in A.P. then they lie on
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a
a straight line
b
a circle
c
a parabola
d
None
answer is A.
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Detailed Solution
Let z1, z2, and z3be three complex numbers which are in A.P. ⇒z1+z3=2z2 ⇒z1+z32=z2According to section formula, z2 is the midpoint of the line segment joining z1 and z3
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