🛠️ JEE➗ Maths

Let the system of linear equations \(\begin{aligned}& x+y+k z=2 \\& 2 x+3 y-z=1 \\& 3 x+4 y+2 z=k\end{aligne…

Q1

Let the system of linear equations
\(\begin{aligned}& x+y+k z=2 \\& 2 x+3 y-z=1 \\& 3 x+4 y+2 z=k\end{aligned}\)
have infinitely many solutions. Then the system
\(\begin{aligned}& (k+1) x+(2 k-1) y=7 \\& (2 k+1) x+(k+5) y=10 \text { has: }\end{aligned}\)

[JEE Main 2023, 30 Jan (Shift 1)]

a

Infinitely many solutions

b

Unique solution satisfying \(x-y=1\)

c

No solution

d

Unique solution satisfying \(x+y=1\)

🔒
Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149

Practice more JEE Maths PYQs

See every question on Matrices, or browse the full JEE question bank.

See all questions on Matrices →