Advertisements
Advertisements
प्रश्न
Evaluate the following :
`|(2,1) ,(3,2),(1 , 1)| |(1 , -2 , 1),(2 , 1 , 3)|`
उत्तर
`|(2,1) ,(3,2),(1 , 1)|_(3 xx 2) |(1 , -2 , 1),(2 , 1 , 3)|_(2 xx 3)`
`= |(2+2 , -4+1 , 2 + 3),(3 + 4 , -6+2 , 3 + 6),(1 + 2 , -2 + 1 , 1 + 3)|`
`= |(4 , -3 , 5),(7 , -4 , 9),(3 , -1 , 4)|_(3 xx 3)`
APPEARS IN
संबंधित प्रश्न
Solve for a, b and c; if `[(-4, a + 5),(3, 2)] = [(b + 4, 2),(3, c- 1)]`
Wherever possible, write the following as a single matrix.
`[(0, 1, 2),(4, 6, 7)] + [(3, 4),(6, 8)]`
If P = `|(8,5),(7,2)|` find P - Pt
If A = `|(5,"r"),("p",7)|` , c and if A + B = (9,7),(5,8) , find the values of p,q,r and s.
If P =`|(1 , 2),(3 , 4)|` , Q = `|(5 , 1),(7 , 4)|` and R = `|(2 , 1),(4 , 2)|` find the value of P(Q + R)
Let A = `|(3 , 2),(0 ,5)|` and B = `|(1 ,0),(1 ,2)|` , find (i) (A + B)(A - B) (ii) A2 - B2 . Is (i) equal to (ii) ?
Write the negation of the following statements :
(a) Radha likes tea or coffee.
(b) `∃x cc` R such that x + 3 ≥ 10.
`[(2 ,- 4),(0 ,0),(1 , 7)]`
Construct a 2 x 2 matrix whose elements aij are given by aij = 2i – j
If a matrix A = `[(0, 1),(2, -1)]` and matrix B = `[(3),(1)]`, then which of the following is possible:
