Let A be a square matrix of order 3 × 3. Write the value of | 2A |, where | A | = 4.

Let A be a square matrix of order 3 × 3. Write the value of | 2A |, where | A | = 4.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

| A | = 4

| λ A | = λn | A | ∀ n = order of matrix

So, | 2A | = 2³ | A | = 8 | A |

= 32 ∀ | A | = 4

4 views Answered 2023-02-05 15:29

Related Questions

Let A be a square matrix all of whose entries are integers.

1 Answers 4 Views

Let A be a 2 × 2 matrix Statement-1 : adj (adj A) = A Statement-2 : |adj A| = |A|

1 Answers 4 Views

For a 2x2 matrix, A = [aij], whose elements are given by aij = i /j , write the value of a12.

1 Answers 4 Views

Write the order of the product matrix :

1 Answers 4 Views

If A is a square matrix such that A^2 = A, then write the value of (I + A)^2 - 3A.

1 Answers 4 Views

Let P be a matrix of order 3 x3 such that all the entries in P are from the set {-1, 0, 1}.

1 Answers 4 Views

Apart from tertrahedral geometry ,another possible geometry for CH4 is square planar with the four H atoms at the corners of square

1 Answers 4 Views

Apart from tetrahedral geometry another possible geometry for CH4 is square planar with four hydrogen atoms at the corners of the square

1 Answers 4 Views

Cost of fencing around a square field is Rs. 12000. If the cost of fencing per metre is Rs. 30, find the area of the square field.

1 Answers 5 Views

Sabina wants to cover the floor of her room whose length is 4 m and breadth is 3 m by square tiles. If each square tile is of side 20 cm,

1 Answers 8 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)