alleryStart learning →A real number such as 9 is written as a complex number in which form?
A0 + 9i
B9 + 0i
C9 + 9i
D0 + 0i
Answer & Solution
Correct answer: B. 9 + 0i
A real number has zero imaginary part, so 9 is the complex number 9 + 0i.
Keep practising Complex Numbers and Quadratic Equations
Browse all Complex Numbers and Quadratic Equations questions for MHT-CET, or explore more Mathematics topics.
Related questions
What is the real part of (2 + i) squared?Evaluate (2 + 3i)(1 - i) and write the result in the form a + bi.Adding two complex numbers on the plane gives the fourth vertex of which shape?Geometrically, multiplying by a complex number does what to the plane?The complex numbers form a real vector space of what dimension?The polynomial x^2 - 2 has no root in which set?The roots of x^2 + 2x + 5 = 0 are which pair?The equation x^2 + 4 = 0 has no real root. What are its complex roots?