78
The system of linear equations $px+qy = r$ and $p_1x + q_1y = r_1$ has a unique
solution, if :
solution, if :
- (a)$pq \neq p_1q_1$
- (b)$pp_1 \neq qq_1$
- (c)$pq_1 \neq qp_1$
- (d)$pqr \neq p_1q_1r_1$
Show SolutionHide Solution↓
(c) $pq_1 \neq qp_1$
The system of linear equations px+qy = r and p₁x + q₁y = r₁ has a unique solution, if :
CBSE Class 10 Maths PYQ · Linear Equations · Types of solutions · 1 Mark · March 2026 · Basic
Solve it yourself first — then press ↓ or tap Show Solution. Use ← → for previous / next question.