If the system of linear equations has a non-zero solutio… | CGP Edu

Maths Matrices and Determinants JEE Main 2020 Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

If the system of linear equations

has a non-zero solution for some then is equal to:

A

9

B

3

C

D

Text Solution

Verified by Experts

The correct answer is:

JEE Main 2020

Here

So equations are

… (i)

… (ii)

… (iii)

Now (i) – (ii)

… (iv)

Now,

(i) – (ii)

So,

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