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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