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Question 28

A binary operation is defined by a * b = a + b - 3, The identity is

  • A.3
  • B.-3
  • C.1
  • D.0
Objective

Question details

Exam body
UNILAG
Subject
Mathematics
Year
2013/2014
Question no.
#28
Type
Objective
Previous · Q27The solution of the x 2 + 3x - 10 < 0 is Next · Q29 A binary operation is defined by x*y = xy - x + y. The value of (3*4)*5 is

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