Advertisements
Advertisements
प्रश्न
Find x and y, if `((x,3x),(y, 4y))((2),(1)) = ((5),(12))`.
उत्तर
On multiplying L.H.S., matrices, we get `((5x),(6y))` which is equal to R.H.S., matrix, evaluate their corresponding elements to get the values of x and y.
Hence, x = 1, y = 2.
APPEARS IN
संबंधित प्रश्न
if A = `[(2,3),(5,7)]`, B = `[(0,4),(-1,7)]` and c = `[(1,0),(-1, 4)]`, find AC + B2 – 10C.
Find x and y, if : `[(x, 3x),(y, 4y)][(2),(1)] = [(5),(12)]`.
Find the value of x, given that A2 = B,
A = `[(2, 12),(0, 1)]` and B = `[(4, x),(0, 1)]`
Solve for x and y :
`[(3,-1),(2,-1)][(-2),(4)]=[(x),(y)]`
If A = [4 7] and B = [3 1] , find: A+2B
Given A = `[(2,0), (-1,7)] and 1 = [(1,0), (0,1)]` and A2 = 9A +mI. Find m
Evaluate x,y if
`[(3 , -2),(-1 , 4)][(2x),(1)]+2[(-4),(5)] = [(8),(4y)]`
If A = `[(2, -1),(-4, 5)] and "B" = [(-3),(2)]` find the matrix C such that AC = B
Choose the correct answer from the given four options :
If `x[(2),(3)] + y[(-1),(0)] = [(10),(6)]` then the values of x and y are
Given matrix, X = `[(1, 1),(8, 3)]` and I = `[(1, 0),(0, 1)]`, prove that X2 = 4X + 5I
