21 JEE Main 2020 Determinants previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Determinants chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Determinants chapter hub.
If for some α and β in R , the intersection of the following three planes x + 4 y - 2 z = 1 x + 7 y - 5 z = &…
Let S be the set of all λ ∈ R for which the system of linear equations 2 x - y + 2 z = 2 x - 2 y + λ z…
If the system of linear equations x + y + 3 z = 0 x + 3 y + k 2 z = 0 3 x + y + 3 z = 0 has a non-zero solution ( x , &…
If the system of equations x + y + z = 2 2   x + 4   y - z = 6 3 x + 2 y + λ z = μ has infinitely m…
If the system of linear equations, x + y + z = 6 x + 2 y + 3 z = 10 3 x + 2 y + λ z = μ has more than two sol…
For which of the following ordered pairs μ , δ , the system of linear equations x + 2 y + 3 z = 1 3 x + 4 y +…
Let m and M be respectively the minimum and maximum value values of cos 2 x 1 + sin 2 x sin 2 x 1 + cos 2 x sin 2 x sin…
The sum of distinct values of λ for which the system of equations : λ - 1   x + 3 λ + 1   y +…
The system of linear equations λ x + 2 y + 2 z = 5 2 λ x + 3 y + 5 z = 8 4 x + λ y + 6 z = 10 has
Let S be the set of all integer solutions x ,   y ,   z of the system of equations x - 2   y + 5  …
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