If z1 = 3 + 4i and z2 = 1 - 2i, what is z1 * z2?

11 + 10i

11 - 10i

-11 - 10i

-11 + 10i

Video Explanation

Watch Video Solution

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

Which of the following represents the real part of a complex number z = 4 + 3i?

Q2.

What is the additive inverse of the complex number z = 5 - 7i?

Q3.

What is the result of (2 + 3i) + (4 - 5i)?

Q4.

What is the modulus of the complex number z = 3 + 4i?