Utme 2020 Mathematics Question 22

Practice objective / multiple choice question 22 from the 2020 Utme Mathematics examination. This question covers Binary Operations .

Utme 2020 Mathematics Objective / Multiple Choice 3 Difficulty

Topic: Binary Operations

Question 22 UTME • 2020 • MATHEMATICS • objective

A binary operation * is defined by a*b=ab+a+b for any real number a and b. If the identity element is zero, find the inverse of 2 under this operation.

A. \( \frac{2}{3} \)

B. \( \frac{1}{2} \)

C. -\( \frac{1}{2} \)

Correct Answer D. -\( \frac{2}{3} \)

Correct Answer

Correct Option:

-\( \frac{2}{3} \)

This is Utme 2020 Mathematics Question 22. It is one of the objective questions from the 2020 Utme Mathematics examination.

The question covers Binary Operations .

Difficulty level: 3 .

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