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5. Matrices
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Q13 of 124 Page 213

Find the value of x and y for which


Given,



Applying matrix multiplication we have,


On comparing the elements with each other we get,


The linear equations, x+2y=3, 3y+2x=5


On solving these equations we get x = 1, y = 1


More from this chapter

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11

If then find the least value of α for which A + A’ = I.

12

Find the value of x and y for which


14

If show that (A + A’) is symmetric

15

If and show that (A – A’) is skew-symmetric

Questions · 124
5. Matrices
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 A 1 B 1 C 1 D 1 E 2 A 2 B 3 A 3 B 3 C 4 5 16 A 6 7 A 7 B 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 1 2 3 4 5 6 7 8 9 10 11 12 13 A 13 B 13 13 D 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
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