Advertisements
Advertisements
प्रश्न
If A = `[(5, -2),(7, 0)]` and B = `[(8),(3)]`, then which of the following is not possible?
विकल्प
A2
AB
BA
15A
Advertisements
उत्तर
BA
Explanation:
Given A is a matrix of order 2 × 2
And B is a matrix of order 2 × 1
Since the number of columns in B = 1 ≠ 2
= Number of rows in A
∴ BA does not exists.
APPEARS IN
संबंधित प्रश्न
If A = `[(8, -3)]` and B = `[(4, -5)]`; find B – A
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A – C
Find x and y from the given equations:
`[(-8, x)] + [(y, -2)] = [(-3, 2)]`
If M =`|(8,3),(9,7),(4,3)|` and N = `|(4,7),(5,3),(10,1)|` find M - N
If P= (8,5),(7,2) find : P + Pt
If A = `|(5,"r"),("p",7)|` , c and if A + B = (9,7),(5,8) , find the values of p,q,r and s.
Evaluate the following :
`|(6 , 1),(3 , 1),(2 , 4)| |(1 , -2 , 1),(2 , 1 , 3)|`
I2 is the matrix ____________.
In a matrix, vertical lines are called:
Which expression gives the order of a matrix?
