alleryStart learning →Geometrically, multiplying by a complex number does what to the plane?
AScales and rotates it
BOnly translates it
COnly reflects it
DShears it sideways
Answer & Solution
Correct answer: A. Scales and rotates it
Multiplication by a complex number scales by its modulus and rotates by its argument, while addition translates.
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?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?Which number set contains a root of every non-constant polynomial equation?