Test: Matrices & Determinants - 5 - Mathematics MCQ
20 Questions MCQ Test - Test: Matrices & Determinants - 5
then The value of 
is λ(a – b) (b – c) (c – a), where λ is equal to
is λ(a – b) (b – c) (c – a), where λ is equal to| 1 Crore+ students have signed up on EduRev. Have you? Download the App |
If A and B are two non-zero square matrices such that AB = 0, then
If the system of equations x - ky - z = 0, kx - y - z = 0, x + y - z = 0 has a non-zero solution, then the possible values of k are
The number of distinct real roots of 
in the interval
is
If for a triangle ABC, 
then what is the value of sin3 A + sin3 B + sin3 C?
If the system of equations x - Ky - z = 0, Kx - y - z = 0 and x + y - z = 0 has a non-zero solution, then the possible values of K are
If a > 0 and discriminant of ax2 + 2bx + c is negative, then
If A is an invertible matrix and B is a matrix, then
If every minor of order r of a matrix A is zero, then rank of A is
The system of equations kx + y + z = 1, x + ky + z = k and x + y + kz = k2 have no solution if k equals
For what value of λ, the system of equations x - 2y + z = 0, 2x - y + 3z = 0, x + y - z = 0 has the trivial solution as the only solution.
then xyz is equal toFor a1 ≠ 0 (I = 1, 2, 3, ……., n) the sum of co-factors of all elements of the determinant 
for all n is
The system of equations x + 2y - z = 3, 2x - 2y + 3z = 2, 3x - y + 2z = 1 has
= 0 and x ≠ 0, then
= 
The system of equations - 2x + y + z = a, x - 2y + z = b, x + y - 2z = c has no solution, if
is equal to
Important Questions for Matrices & Determinants - 5
Matrices & Determinants - 5 MCQs with Answers
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