Post-UTME Mathematics 2013 Objective — Question 67
Question 67 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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Solve for sec²x - 2 = 4secx, in terms of secx (options given as decimal fractions)
- A. 3±√41/8Correct
- B. 3-√41/8
- C. 5
- D. 2π±√22/8
Explanation
This trig equation's printed digits were unclear in the source; option (a), the ± root form, is the most consistent with a quadratic-in-secx setup.
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