Advertisements
Advertisements
प्रश्न
Evaluate the following :
`|(2,1) ,(3,2),(1 , 1)| |(1 , -2 , 1),(2 , 1 , 3)|`
Advertisements
उत्तर
`|(2,1) ,(3,2),(1 , 1)|_(3 xx 2) |(1 , -2 , 1),(2 , 1 , 3)|_(2 xx 3)`
`= |(2+2 , -4+1 , 2 + 3),(3 + 4 , -6+2 , 3 + 6),(1 + 2 , -2 + 1 , 1 + 3)|`
`= |(4 , -3 , 5),(7 , -4 , 9),(3 , -1 , 4)|_(3 xx 3)`
APPEARS IN
संबंधित प्रश्न
Find the inverse of the matrix A=`[[1,2],[1,3]]` using elementry transformations.
Classify the following matrix :
`[(7, 0)]`
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)|`
If A = `[(2, 3), (1, 2)], B = [(1, 0),(3, 1)]`, Find (AB)-1
[2 3 – 7]
`[(0, 0, 0),(0, 0, 0)]`
Construct a 2 x 2 matrix whose elements aij are given by aij = 2i – j
Construct a 2 x 2 matrix whose elements aij are given by aij = i.j
A, B and C are three matrices each of order 5; the order of matrix CA + B2 is ______.
