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Question 9

The binary operation * is defined on the set of R, of real numbers by \(x * y = 3x + 3y - xy, \forall x, y \in R\). Determine, in terms of x, the identity element of the operation.

  • A.\(\frac{2x}{x - 3}, x \neq 3\)
  • B.\(\frac{2x}{x + 3}, x \neq -3\)
  • C.\(\frac{3x}{x - 3}, x \neq 3\)
  • D.\(\frac{3x}{x + 3}, x \neq -3\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2007
Question no.
#9
Type
Objective
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