Advertisements
Advertisements
Question
If M = `|(8,3),(9,7),(4,3)|` and N = `|(4,7),(5,3),(10 , 1)|` find M+N
Solution
M = `|(8,3),(9,7),(4,3)|_(3 xx 2)` , N = `|(4,7),(5,3),(10 , 1)|_(3 xx 2)`
M + N = `|(8+4 , 3+7),(9+5 , 7+3),(4+10 , 3 + 1)| = |(12,10),(14,10),(14,4)|_(3 xx 2)`
APPEARS IN
RELATED QUESTIONS
Given matrix A `[(4 sin 30°, cos 0°),(cos 0°, 4 sin 30°)]` and B = `[(4),(5)]`. If AX = B.
- Write the order of matrix X.
- Find the matrix ‘X’.
Find the value of and 'y' if:
`2[(x,y),(9 , (y - 5))] + [(6,4),(-7,5)] = [(10,7),(22,15)]`
if `A = [(3,x),(0,1)], B = [(9,16),(0,-y)]`, Find x and y where `A^2 = B`
Find x and y if `[(x,3x),(y, 4y)] = [(5),(12)]`
If A = `[(2, 1),(1, 3)]` and B = `[(3),(-11)]`, find the matrix X such that AX = B.
If A = `[(4, 2),(1,1)]`, find (A – 2I)(A – 3I).
If A = `|(17 , 5 , 19),(11 , 8 , 13)|` and B =`|(9,3,7),(1,6,5)|` , find 2A - 3B
Solve for x and y `[(-2,0), (3,1)][(-1), (2x)] +3[(-2), (1)] =2[(y), (3)]`
Given that A = `[(3, 0),(0, 4)]` and B = `[(a, b),(0, c)]` and that AB = A + B, find the values of a, b and c.
Evaluate x,y if
`[(3 , -2),(-1 , 4)][(2x),(1)]+2[(-4),(5)] = [(8),(4y)]`