Advertisements
Advertisements
प्रश्न
If A = `|(1,3),(3,2)|` and B = `|(-2 , 3),(-4 , 1)|` find BA
Advertisements
उत्तर
BA = `|(-2 , 3),(-4 , 1)| |(1,3),(3,2)|`
= `|(-2+9 , -6+6),(-4 + 3 , -12 + 2)|`
= `|(7 , 0),(-1 , -10)|_(2 xx 2)`
APPEARS IN
संबंधित प्रश्न
Solve for a, b and c; if `[(a, a - b),(b + c, 0)] = [(3, -1),(2, 0)]`
If A = `[(8, -3)]` and B = `[(4, -5)]`; find B – A
Wherever possible, write the following as a single matrix.
`[(2, 3, 4),(5, 6, 7)] - [(0, 2, 3),(6, -1, 0)]`
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
A2 – B2 = (A + B) (A – B)
Find the inverse of the matrix A=`[[1,2],[1,3]]` using elementry transformations.
Find the values of x and y, if `|(3"x" - "y"),(5)| = |(7) , ("x + y")|`
Solve the equations x + y = 4 and 2x - y = 5 using the method of reduction.
Using the truth table statement, examine whether the statement pattern (p → q) ↔ (∼ p v q) is a tautology, a contradiction or a contingency.
Construct a matrix A = [aij]3 × 2 whose element aij is given by
aij = `(("i" + "j")^3)/5`
If A = `[(5, -2),(7, 0)]` and B = `[(8),(3)]`, then which of the following is not possible?
