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 = `[(2, -6),(2, 0)]`, B = `[(-3, 2),(4, 0)]` and C = `[(4, 0),(0, 2)]`. Find the matrix X such that A + 2X = 2B + C.
Find x and y if `3[(4, x)] + 2[(y, -3)] = [(10, 0)]`
If A = `[(0, 2),(5, -2)]`, B = `[(1, -1),(3, 2)]` and I is a unit matrix of order 2 × 2, find B2A
Given A = `[(4, 1),(2, 3)]` and B = `[(1, 0),(-2, 1)]`, find A2 – AB + 2B
If A = `[(1, 4),(2, 1)]`, B = `[(-3, 2),(4, 0)]` and C = `[(1, 0),(0, 2)]`, simplify : A2 + BC.
Solve for x and y:
`[(-2, 0),(3, 1)][(-1),(2x)] + 3[(-2),(1)] = 2[(y),(3)]`
If P =`|(1 , 2),(3 , 4)|` , Q = `|(5 , 1),(7 , 4)|` and R = `|(2 , 1),(4 , 2)|` find the value of (R + Q)P
Given A = `[(1, 4),(2, 3)]` and B = `[(-4, -1),(-3, -2)]` find the matrix 2A + B
The additive inverse of matrix A + B, where A = `[(4, 2),(7, -2)]` and B = `[(-2, 1),(3, -4)]` is ______.
If A = `[(-3, -7),(0, -8)]` and A – B = `[(6, 4),(-3, 0)]`, then matrix B is ______.
