Advertisements
Advertisements
प्रश्न
Evaluate the following :
`|(6 , 1),(3 , 1),(2 , 4)| |(1 , -2 , 1),(2 , 1 , 3)|`
Advertisements
उत्तर
`|(6 , 1),(3 , 1),(2 , 4)|_(3 xx 2) |(1 , -2 , 1),(2 , 1 , 3)|_(2 xx 3)`
`= |(6+2 , -12+1 , 6 + 3),(3 +2 , -6+1 , 3 + 3),(2 + 8 , -4 + 4 , 2 + 12)|`
`= |(8 , -11 , 9),(5 , -5 , 6),(10 , 0 , 14)|_(3 xx 3)`
APPEARS IN
संबंधित प्रश्न
State, whether the following statement is true or false. If false, give a reason.
Transpose of a 2 × 1 matrix is a 2 × 1 matrix.
Given : M = `[(5, -3),(-2, 4)]`, find its transpose matrix Mt. If possible, find Mt – M
Classify the following matrix :
`|(11 , 3 , 0),(21 , 8 , 4),(15,5,2)|`
Find the values of a and b) if [2a + 3b a - b] = [19 2].
Evaluate the following :
`|(0 , 1 , 0),(2 , 0 , -3),(1 , 0 , -2)| |(1 , -2),(3 , 4),(0 , 0)|`
If A = `|(3,-2),(-1 , 4)|` , B = `|(2"a"),(1)|` , C = `|(-4),(5)|` , D = `|(2),("b")|` and AB + 2C = 4D then find the values of a and b.
If A = `[(1,2,3), (2,k,2), (5,7,3)]` is a singular matrix then find the value of 'k'.
If A = `[(7,1), (2,5)]` and B = `[(1,2), (3,-1)]` then verify that |AB| = |A| |B|.
`[(2 ,- 4),(0 ,0),(1 , 7)]`
`[(0, 0, 0),(0, 0, 0)]`
