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Matrices and Determinants — quick quiz

3 JEE Main-pattern questions on Matrices and Determinants. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 3

Medium

The system of equations x + 2y + 3z = 1, 2x + 3y + 4z = 3, 3x + 4y + 5z = k has infinitely many solutions. What is the value of k?