A binary operation \( \ast \) is defined on a set of real numbers by \(x \ast y = x^y\) for all real values of \(x\) and \(y\). If \(x \ast 2 = x\). Find th...

Assessment: JAMB UTME - Mathematics - 1993 Subject: General Mathematics

Question 1 Report

A binary operation \( \ast \) is defined on a set of real numbers by \(x \ast y = x^y\) for all real values of \(x\) and \(y\). If \(x \ast 2 = x\). Find the possible values of \(x\)

Answer Details
x  ∗  y = xy
x  ∗  2 = x2
x  ∗  2 = x
∴ x2 - x = 0
x(x - 1) = 0
x = 0 or 1

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning