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Detailed Solution for Test: Determinants - 2 - Question 1

Detailed Solution for Test: Determinants - 2 - Question 2

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Test: Determinants - 2 - Question 4

If the order of matrix A is m*p. And the order of B is p×n. Then the order of matrix AB is ?

Test: Determinants - 2 - Question 5

If each element of a 3 × 3 matrix A is multiplied by 3 , then the determinant of the newly formed matrix is

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Test: Determinants - 2 - Question 10

If A is a non singular matrix of order 3 , then |adj(adjA)|

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Test: Determinants - 2 - Question 14

If A is a non singular matrix and A’ denotes the transpose of A , then

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Test: Determinants - 2 - Question 16

If A ,B andC be the three square matrices such that A = B + C , then Det A is equal to

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Test: Determinants - 2 - Question 19

If A and B are square matrices of order 3 , such that Det.A = –1 , Det.B = 3 then the determinant of 3AB is equal to

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Test: Determinants - 2 - Question 24

The system AX = B of n equations in n unknowns has infinitely many solutions if

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Test: Determinants - 2 - Question 25

If A is a square matrix such that A^{3} = I , then A^{−1} is equal to

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