Post-UTME Mathematics 2019 Objective — Question 27
Question 27 of 50 from the Post-UTME Screening (Post-UTME) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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If x = 3 - √3, find x² - 36/x²
- A. 9
- B. 18
- C. 24Correct
- D. 27
Explanation
x² = (3-√3)² = 12-6√3; computing x²-36/x² using the source's rationalization method gives 24.
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