Advertisements
Advertisements
प्रश्न
if `A = [(3,5),(4,-2)] and B = [(2),(4)]`is the product AB possible? Give a reason. If yes, find AB
उत्तर
Yes, product AB is possible since the number of columns of matrix A is equal to the number of rows of matrix B. (Matrix A is of the order 2 × 2 and B is of the order of 2 × 1)
Thus, required product AB = `[(3,5),(4,-2)][(2),(4)] = [(6 + 20),(8-8)] = [(26),(0)]`
APPEARS IN
संबंधित प्रश्न
Find the matrix A, If B =`[(2,1),(0,1)] and B^2 = B+1/2A`
If A = `[(2, 4),(3, 2)]` and B = `[(1, 3),(-2, 5)]`
find BA.
Construct a 2 x 2 matrix whose elements aij are given by
aij = 2i - j
Construct a 2 x 2 matrix whose elements aij are given by `((i + 2j)^2)/(2)`.
Evaluate : `[(4sin30°, 2cos60°),(sin90°, 2cos0°)] [(4, 5),(5, 4)]`
If A = `[(1, 0),(0, -1)]`, find A2 and A3.Also state that which of these is equal to A
If X = `[(4, 1),(-1, 2)]`,show that 6X – X² = 9I Where I is the unit matrix.
If `[(a, 1),(1, 0)] [(4, 3),(-3, 2)] = [(b, 11),(4, c)]` find a,b and c
Choose the correct answer from the given four options :
A = `[(1, 0),(0, 1)]` then A2 =
If A = `[(1, 4),(1, 0)], "B" = [(2, 1),(3, -1)] and "C" = [(2, 3),(0, 5)]` compute (AB)C = (CB)A ?
