Advertisements
Advertisements
प्रश्न
If A = `[(1, 2),(3, 4)] and "B" = [(2, 1),(4, 2)], "C" = [(5, 1),(7, 4)]`, compute (B + C)A
उत्तर
(B + C)A
A = `[(1, 2),(3, 4)]`
B = `[(2, 1),(4, 2)]`
C = `[(5, 1),(7, 4)]`
(B + C)A = `[(7, 2),(11, 6)] xx [(1, 2),(3, 4)]`
= `[(7 + 6, 14 + 8),(11 + 18, 22 + 24)]`
= `[(13, 22),(29, 46)]`.
APPEARS IN
संबंधित प्रश्न
If `P = [(2,6),(3,9)]` and `Q = [(3,x),(y, 2)]` find x and y such that PQ = null matrix
Given A = `[(1 , 1),(8 , 3)]` evaluate A2 - 4A.
If A = `[(3, 5),(4, -2)] and "B" = [(2),(4)]` , is the product AB possible ? Give a reason. If yes, find AB.
If A = `[(-1, 3),(2, 4)], "B" = [(2, -3),(-4, -6)]` find the matrix AB + BA
If X = `[(4, 1),(-1, 2)]`,show that 6X – X² = 9I Where I is the unit matrix.
If A = `[(2, 3),(1, 2)]` find x and y so that A² – xA + yI
Choose the correct answer from the given four options :
A = `[(1, 0),(0, 1)]` then A2 =
Choose the correct answer from the given four options :
If A = `[(0, 0),(1, 0)]`, then A2 =
Choose the correct answer from the given four options :
If A = `[(3, 1),(-1, 2)]`, then A2 =
If matrix A = `[(2, 2),(0, 2)]` and A2 = `[(4, x),(0, 4)]`, then the value of x is ______.
