5 JEE Main 2013 Matrices previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2013 previous-year questions from the Matrices chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Matrices chapter hub.
If P = 1 α 3 1 3 3 2 4 4 is the adjoint of a 3 × 3 matrix A and A = 4 , then α is equal to
A common tangent to the conics x²=6 y and 2 x²-4 y²=9 is:
The matrix A²+4 A-5 I, where I is identity matrix and A= [arraycc1 & 2 \ 4 & -3array ], equals :
Let A, other than I or -I, be a 2 × 2 real matrix such that A²=I, I being the unit matrix. Let Tr(A) be the sum of diag…
If p, q, r are 3 real numbers satisfying the matrix equation, [p q r] [arraylll3 & 4 & 1 \ 3 & 2 & 3 \ 2 & 0 & 2array ]…