If | 2 3 | = | 4 1 |. find the value of y. 7

Assessment: JAMB UTME - Mathematics - 2011 Subject: General Mathematics

Question 1 Report

-6

6

-12

12

Answer Details

$| \begin{matrix} 2 & 3 \\ 5 & 3 x \end{matrix} |$ = $| \begin{matrix} 4 & 1 \\ 3 & 2 x \end{matrix} |$
(2 x 3x) - (5 x 3) = (4 x 2x) - (3 x 1)
6x - 15 = 8x - 3
6x - 8x = 15 - 3
-2x = 12
x = $\frac{12}{- 2}$
= -6

Read lesson note on Matrices And Determinants (JAMB)

Read lesson note on Statistics (WAEC)

Matrices And Determinants

Statistics

View Answer

Related Questions

Download The App On Google Playstore

Everything you need to excel in JAMB, WAEC & NECO

Personalized AI Learning Chat Assistant

Thousands of JAMB, WAEC & NECO Past Questions

Over 1200 Lesson Notes

Offline Support - Learn Anytime, Anywhere

Green Bridge Timetable

Literature Summaries & Potential Questions

Track Your Performance & Progress

In-depth Explanations for Comprehensive Learning