8 JEE Main 2018 Determinants previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 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 f x = cos x x 1 2 sin x x 2 2 x tan x x 1 , then lim x → 0 ⁡ f ′ x x
If the system of linear equations aligned &x+a y+z=3 \ &x+2 y+2 z=6 \ &x+5 y+3 z=b aligned has no solution, then
Let S be the set of all real values of k for which the system of linear equations x + y + z = 2 2 x + y - z = 3 3 x + 2…
If f(x)= |arrayccc x & x & 1 \ 2 x & x² & 2 x \ x & x & 1array |, then x → ₀ fⁱme(x)x
The number of values of k for which the system of linear equations k + 2 x + 10 y = k   & k x + k + 3 y = k -…
If x - 4 2 x 2 x 2 x x - 4 2 x 2 x 2 x x - 4 = A + B x x - A 2 , then the ordered pair ( A , B ) is equal to
Let S be the set of all real values of k for which the system of linear equations aligned &x+y+z=2 \ &2 x+y-z=3 \ &3 x+…
If the system of linear equations x + k y + 3 z = 0 3 x + k y - 2 z = 0 2 x + 4 y - 3 z = 0 has a non-zero solution x ,…