Advertisements
Advertisements
प्रश्न
If a matrix A = `[(0, 1),(2, -1)]` and matrix B = `[(3),(1)]`, then which of the following is possible:
पर्याय
A + B
A – B
AB
BA
Advertisements
उत्तर
AB
Explanation:
Given A is a matrix of order 2 × 2
And B is a matrix of order 2 × 1
Since, No. of columns in B ≠ No. of rows in A
`\implies` BA does not exists.
Further, A + B and A – B does not exists
Since, A and B are not of the same order
Since, No. of columns in A
= No. of rows in B = 2
`\implies` AB exists
संबंधित प्रश्न
Wherever possible, write the following as a single matrix.
`[(1, 2),(3, 4)] + [(-1, -2),(1, -7)]`
Wherever possible, write the following as a single matrix.
`[(0, 1, 2),(4, 6, 7)] + [(3, 4),(6, 8)]`
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
(A – B) . C = A . C – B . C
Classify the following matrix :
`[(7, 0)]`
If A = `|(1,9,4),(5 , 0 , 3)|` find A'
Write the negation of the following statements :
(a) Radha likes tea or coffee.
(b) `∃x cc` R such that x + 3 ≥ 10.
If a matrix has 4 elements, what are the possible order it can have?
The construction of demand line or supply line is the result of using
If A is a matrix of order m × 3, B is a matrix of order 3 × 2 and R is a matrix of order 5 × n such that AB = R, the value of m and n are ______.
Event A: Order of matrix A is 3 × 5.
Event B: Order of matrix B is 5 × 3.
Event C: Order of matrix C is 3 × 3.
Product of which two matrices gives a square matrix.
