Gce Model Questions Vol1 2021 Mathematics Question 45

Practice objective / multiple choice question 45 from the 2021 Gce Model Questions Vol1 Mathematics examination.

Gce Model Questions Vol1 2021 Mathematics Objective / Multiple Choice Medium Difficulty
Question 45 GCE_MODEL_QUESTIONS_VOL1 • 2021 • MATHEMATICS • objective

If non‑zero numbers \(a\) and \(b\) satisfy \(\displaystyle\frac{a}{b}+\frac{b}{a}=5\), express \(a^{3}+b^{3}\) in terms of \(a+b\).

Answer Options

A. \frac{5}{7}(a+b)^{3}
B. \frac{3}{7}(a+b)^{3}
Correct Answer C. \frac{4}{7}(a+b)^{3}
D. \frac{4}{9}(a+b)^{3}
Correct Answer
C
Correct Option:
\frac{4}{7}(a+b)^{3}

About This Question

This is Gce Model Questions Vol1 2021 Mathematics Question 45. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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