For the binary operation with identity , find the inverse of the element 3.

Answer and explanation

Correct answer: B.

  1. Step 1: The inverse of 3 satisfies . Step 2. Apply operation: . Step 3. Solve: . **Answer: . Why not the others:** is additive inverse in standard addition.

Practise more Number, Numeration, Sets, Sequences and Algebra.

Free questions with an explanation for every one, and full timed Unified Tertiary Matriculation Examination mock tests.

All Number, Numeration, Sets, Sequences and Algebra questionsTake a mock test

More Number, Numeration, Sets, Sequences and Algebra questions