Advertisements
Advertisements
प्रश्न
Evaluate the following :
`|(0 , 1 , 0),(2 , 0 , -3),(1 , 0 , -2)| |(1 , -2),(3 , 4),(0 , 0)|`
उत्तर
`|(0 , 1 , 0),(2 , 0 , -3),(1 , 0 , -2)| _(3 xx 3) |(1 , -2),(3 , 4),(0 , 0)|_(3 xx 2)`
`= |(0+3+0 , 0+4+0),(2 + 0 + 0 , -4 + 0 + 0),(1 + 0 + 0 , -2 + 0 + 0)|`
`= |(3 , 4),(2 , -4),(1 , -2)|_(3 xx 2)`
APPEARS IN
संबंधित प्रश्न
State, whether the following statement is true or false. If false, give a reason.
Transpose of a 2 × 1 matrix is a 2 × 1 matrix.
State, whether the following statement is true or false. If false, give a reason.
Transpose of a square matrix is a square matrix.
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find B + C
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A – C
Find x and y from the given equations:
`[(5, 2),(-1, y - 1)] - [(1, x - 1),(2, -3)] = [(4, 7),(-3, 2)]`
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
A + B = B + A
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
A – B = B – A
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
(A – B) . C = A . C – B . C
Evaluate the following :
`|(6 , 1),(3 , 1),(2 , 4)| |(1 , -2 , 1),(2 , 1 , 3)|`
Write the negation of the following statements :
(a) Radha likes tea or coffee.
(b) `∃x cc` R such that x + 3 ≥ 10.
