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JEE Main 2026 Mathematics question

MathematicsMatricesJEE Main 2026

If the system of equations x+y+z=5, x+2y+3z=9, x+3y+λz=μ has infinitely many solutions, then the value of λ+μ is:

Answer: (B)

Solution

From the first two equations, y = 4−2z and x = 1+z. Substituting into the

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Question ID VK-015337