4 JEE Main 2012 Determinants previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 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 a, b, c, are non zero complex numbers satisfying a²+b²+c²=0 and |arraycccb²+c² & a b & a c \ a b & c²+a² & b c \ a c…
If the system of equations aligned & x+y+z=6 \ & x+2 y+3 z=10 \ & x+2 y+λ z=0 aligned has a unique solution, then λ is…
If |arrayccc-2 a & a+b & a+c \ b+a & -2 b & b+c \ c+a & b+c & -2 carray | =α(a+b() b+c() c+a) ≠ 0 then α is equal to
Statement 1: If the system of equations x+k y+ 3 z=0,3 x+k y-2 z=0,2 x+3 y-4 z=0 has a nontrivial solution, then the va…