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Question

a + ib > c + id can be explained only when


A

b = 0, c = 0

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B

b = 0, d = 0

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C

a = 0, c = 0

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D

a = 0, d = 0

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Solution

The correct option is B

b = 0, d = 0


We cannot compare 2 complex numbers as they have imaginary parts.

a + ib > c + id can be defined if and only if imaginary parts are zero.

i.e., so, b =0, d = 0


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