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Question 29

A binary operation is defined by x*y = xy - x + y. The value of (3*4)*5 is

  • A.81
  • B.61
  • C.57
  • D.73
Objective

Question details

Exam body
UNILAG
Subject
Mathematics
Year
2013/2014
Question no.
#29
Type
Objective
Previous · Q28A binary operation is defined by a * b = a + b - 3, The identity is Next · Q30 Find the difference between the mean and the median of the numbers…

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