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In each case given below, find : the ...

In each case given below, find :
the order of matrix M,

(i) `M xx [{:(,1,1),(,0,2):}]=[1,2]`

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The correct Answer is:
(a) (i) `1 xx 2 (ii) [1, 1/2]` (b) (i) `2 xx 1 (ii) [{:(,1),(,3):}]`
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ICSE-MATRICES-Exercise 9C
  1. If A=[{:(,1,4),(,2,1):}], B=[{:(,-3,2),(,4,0):}] and C=[{:(,1,0),(,0,2...

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  2. Solve for x and y (i) [{:(,2,5),(,5,2):}] [{:(,x),(,y):}]=[{:(,-7),(...

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  3. In each case given below, find : the order of matrix M, (i) M ...

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  4. If A=[{:(,2,x),(,0,1):}] and B=[{:(,4,36),(,0,1):}], find the value of...

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  5. If A=[{:(,3,7),(,2,4):}], B=[{:(,0,2),(,5,3):}] and C=[{:(,1,-5),(,-4,...

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  6. If A and B are any two 2 xx 2 matrices such that AB=BA=B and B is not ...

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  7. Given A=[{:(,3,0),(,0,4):}], B=[{:(,a,b),(,0,c):}] and AB=A+B, find t...

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  8. If P=[{:(,1,2),(,2,-1):}] and Q=[{:(,1,0),(,2,1):}] then compute : (...

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  9. Give the matrices : A=[{:(,2,1),(,4,2):}], B=[{:(,3,4),(,-1,-2):}] a...

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  10. If A=[{:(,1,2),(,3,4):}], B=[{:(,6,1),(,1,1):}] and C=[{:(,-2,-3),(,0,...

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  11. If A=[{:(,2,1),(,1,3):}] and B=[ {: (, 3),(,-11 ):}] . find the mat...

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  12. If A=[{:(,4,2),(,1,1):}], find (A-2I) (A-3I).

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  13. If A=[{:(,2,1,-1),(,0,1,-2):}] find: (i) A^(t).A (ii) A.A^(t) wher...

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  14. If M=[{:(,4,1),(,-1,2):}] show that 6M-M^2=9I, where I is a 2 xx 2 uni...

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  15. If P=[{:(,2,6),(,3,9):}] and Q=[{:(,3,x),(,y,2):}]. find x and y such ...

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  16. Evalutate: [{:(,2cos 60^@, -2sin 30^@),(,-tan 45^@,cos 0^@):}] [{:(,...

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  17. State with reason, whether the following are true of false. A, B and C...

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  18. State with reason, whether the following are true of false. A, B and C...

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  19. State with reason, whether the following are true of false. A, B and C...

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  20. State with reason, whether the following are true of false. A, B and C...

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