Binary Operations Jamb Mathematics Past Questions
Question 41
A binary operation x is defined by a x b = a\(^b\). If a x 2 = 2 - a, find the possible values of a?
- A. 1, -2
- B. 2, -1
- C. 2, -2
- D. 1, -1
Question 42
Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio
- A. \(\frac{3}{2}\)
- B. \(\frac{2}{3}\)
- C. \(\frac{1}{2}\)
- D. \(\frac{1}{4}\)
Question 43
Let (*) be a binary operation on a natural number defined by a * b = a - b + (ab)\(^2\), then find 3 * 5
- A. 223
- B. 232
- C. 32
- D. -232
