Home › AP EAPCET (Engineering) › Mathematics › Complex Numbers and Quadratic Equations › Numbers of the form a + i0 lie on which axis of …
Numbers of the form a + i0 lie on which axis of the Argand plane?
Aimaginary axis
Bline y = -x
Cline y = x
Dreal axis
Answer & Solution
Correct answer: D. real axis
Their imaginary part is zero, so the points are (a, 0) on the horizontal axis.
Related questions
Every real number a can be regarded as the complex numberThe real part of (2 + i)^2 isThe sum of z and its conjugate always equalsThe set of points with |z| = 1 in the complex plane formsIf |z| = 1, then the conjugate of z equalsWhich equation shows that the real number system needs extending?The modulus of a non-real cube root of unity isFor a cube root of unity ω, the value of ω^3 is