alleryStart learning →Which kind of complex number lies on the x-axis of the Argand plane?
A0 + ib, b ≠ 0
Ba + ib with a = b
Ca + i0 (b = 0)
Da + ib, b ≠ 0
Answer & Solution
Correct answer: C. a + i0 (b = 0)
A point on the x-axis has y = 0, so its number has zero imaginary part.
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