Post-UTME Mathematics 2019 Objective — Question 2
Question 2 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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The H.C.F. of a²bx + ab²x and a²b - b² is
- A. b
- B. a + bCorrect
- C. b(a+b)
- D. abx(a² - b²)
Explanation
a²bx+ab²x = abx(a+b); a²b-b² = b(a+b); HCF = (a+b).
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