waec model questions vol6 2024 mathematics

Objective Question 25

Question 25 WAEC_MODEL_QUESTIONS_VOL6 • 2024
If real numbers \(a\) and \(b\) satisfy \(a+b=6\) and \(a^{2}+b^{2}=20\), find the value of \(a^{3}+b^{3}\).
Answer Options
A. -72
B. 120
Correct Answer C. 72
D. 192
Correct Answer
C

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