Question 1

A binary operation * is defined on the set of real numbers, R, by \(x * y = x + y - xy\). If the identity element under the operation * is 0, find the inverse of \(x \in R\).

  • A.\(\frac{-x}{1 - x}, x \neq 1\)
  • B.\(\frac{1}{1 - x}, x \neq 1\)
  • C.\(\frac{-1}{1 - x}, x \neq 1\)
  • D.\(\frac{x}{1 - x}, x \neq 1\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2013
Question no.
#1
Type
Objective

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