Question bank/JEE Main/Mathematics

JEE MainMathematicsModerateMatrix and determinant

If the system of linear equation [IMAGE] and
[IMAGE] has a non-zero solution, then



Show answer and solution
The system of linear equation has a non-zero solution, then
[IMAGE] On dividing by abc, we get Hence a, b, c are in HP




Source: Grass-G / M-15 Mathematics Paper 11 Nov.docx

Need a video for this idea?

Scan any doubt from your notes and get a whiteboard explanation.