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If X = [[2,0],[0,4]] and Y = [[-2,0],[-2...

If `X = [[2,0],[0,4]]` and `Y = [[-2,0],[-2,0]]` then X + Y equal to :

A

`[{:(0,0),(-2,0):}]`

B

`[{:(0,0),(0,4):}]`

C

`[{:(0,0),(-2,4):}]`

D

`[{:(2,0),(-2,4):}]`

Text Solution

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The correct Answer is:
C
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ACCURATE PUBLICATION-MATRICES-QUESTIONS CARRYING 1 MARK (Type-I : (Multiple choice questions))
  1. If A + B = C, where A and B are matrices of order 3 xx 5, then order o...

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  2. If A+ B = C where B and A are matrices of order 5xx5 then the order of...

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  3. If X = [[2,0],[0,4]] and Y = [[-2,0],[-2,0]] then X + Y equal to :

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  4. If A is matrix of a order 2 xx 3 and B is a matrix of order 3 xx 2, t...

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  5. If A is matrix of a order 2 xx 3 and B is a matrix of order 3 xx 2, t...

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  6. If AB = C, where B and C are matrices of order 3 xx 5, then order of A...

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  7. AB = C, where B and C are matrices of order 3 xx 4, then order of A is...

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  8. If AB = C, where B and C are matrices of order 4 xx 5, then the order ...

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  9. If AB = C where Band C are matrices of orders 5xx3 then order of A is ...

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  10. If A = [(1,2,3)] , B = [(2),(3),(1)], then AB equals

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  11. If A = [(2,1,3)] , B = [(3),(2),(1)] then AB equals

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  12. If A=[(alpha,beta),(gamma,-alpha)] is such that A^(2)=I, then a. 1 ...

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  13. Assume X, Y, Z, W and P are matrices of order 2xxn, 3xxk, 2xxp, nxx3 ...

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  14. The matrix A = [(0,-1),(1,0)] is a (a) identity matrix (b) Diagonal m...

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  15. The matrix A = [(0,-1),(1,0)] is a (a) identity matrix (b) Diagonal m...

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  16. If A is any square matrix then A + A' is a :

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  17. If A, B are symmetric matrices of same order, then AB - BA is a :

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  18. If A is a matrix of order 5xx2 and B is a matrix of order 2xx5, then t...

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  19. If A is a matrix of order 3xx2 and B is a matrix of order 2xx3, then t...

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  20. If order of matrix A is 2 xx 3 and order of matrix B is 3 xx 5, then o...

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