Advertisements
Advertisements
प्रश्न
If A = `[(2, 0),(-3, 1)]` and B = `[(0, 1),(-2, 3)]` find 2A – 3B
उत्तर
A = `[(2, 0),(-3, 1)]`
B = `[(0, 1),(-2, 3)]`
∴ 2A – 3B = 2`[(2, 0),(-3, 1)] -3[(0, 1),(-2, 3)]`
= `[(4, 0),(-6, 2)] -[(0, 3),(-6, 9)]`
= `[(4 - 0, 0 - 3),(-6 + 6, 2 - 9)]`
= `[(4, -3),(0, -7)]`.
APPEARS IN
संबंधित प्रश्न
Given `A = [(-1, 0),(2,-4)]` and `B = [(3, -3),(-2, 0)]`; find the matrix X in the following:
A – X = B
Given `A = [(1, 1),(-2, 0)]` and `B = [(2, -1),(1, 1)]`. Solve for matrix X:
X + 2A = B
If A = `[(2, 1),(0, 0)]`, B = `[(2, 3),(4, 1)]` and C = `[(1, 4),(0, 2)]`; then show that A(B + C) = AB + AC.
Solve for x and y:
`[(-2, 0),(3, 1)][(-1),(2x)] + 3[(-2),(1)] = 2[(y),(3)]`
If A = `[(2, x),(0, 1)]` and B = `[(4, 36),(0, 1)]`; find the value of x, given that A2 = B.
Given that M = `[(2, 0),(1, 2)]` and N = `[(2, 0),(-1,2)]`, find M + 2N
If A = `[(0, -1),(1, 2)]` and B = `[(1, 2),(-1, 1)]` Find the matrix X if : 3A + X = B
If `2[(3, 4),(5, x)] + [(1, y),(0, 1)] = [(z, 0),(10, 5)]` Find the values of x and y
If `4[(5, x)] - 5[(y, -2)] = [(10, 22)]`, the values of x and y are ______.
If I is a unit matrix of order 2 and M + 4I = `[(8, -3),(4, 2)]`, the matrix M is ______.
