Post Utme Rsu 2025 Mathematics Question 11

Practice objective / multiple choice question 11 from the 2025 Post Utme Rsu Mathematics examination.

Post Utme Rsu 2025 Mathematics Objective / Multiple Choice
Question 11 POST_UTME_RSU • 2025 • MATHEMATICS • objective

In the complex plane, let \(z_1 = 2 + 3i\) and \(z_2 = 4 - 5i\). Find the product \(z_1 \cdot z_2\) in the form \(a + bi\).

Answer Options

Correct Answer A. -23 + 7i
B. 23 + 7i
C. -7 + 23i
D. 7 - 23i
Correct Answer
A
Correct Option:
-23 + 7i

About This Question

This is Post Utme Rsu 2025 Mathematics Question 11. It is one of the objective questions from the 2025 Post Utme Rsu Mathematics examination.

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