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Let A be the set of all 3 xx 3 symmetri...

Let A be the set of all `3 xx 3` symmetric matrices all of whose entries are either 0 or 1. Five of these entries are 1 and four of them are 0. The number of matrices in A is

A

12

B

6

C

9

D

3

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A
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RESONANCE-MATRICES & DETERMINANT-EXERCISE-3
  1. Let A be the set of all 3 xx 3 symmetric matrices all of whose entrie...

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  2. Let A be the set of all 3 xx 3 symmetric matrices all of whose entrie...

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  3. Let A be the set of all 3 xx 3 symmetric matrices all of whose entrie...

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  4. Let p be an odd prime number and Tp, be the following set of 2 xx 2 ma...

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  5. Let p be an odd prime number and Tp be the following set of 2 x 2 ma...

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  6. Let p be an odd prime number and Tp be the following set of 2 x 2 ma...

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  7. The number of all possible values of theta, where 0 lt theta lt pi, f...

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  8. Let K be a positive real number and A=[2k-1 2sqrt(k)2sqrt(k)2sqrt(k)1-...

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  9. Let Ma n dN be two 3xx3 non singular skew-symmetric matrices such that...

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  10. Let a,b, and c be three real numbers satistying [a,b,c][(1,9,7),(8,2,7...

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  11. Let a,b, and c be three real numbers satistying [a,b,c][(1,9,7),(8,2,7...

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  12. Let a, b and c be three real number satisfying [a,b,c]|{:(,1,9,7),(,...

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  13. Let omega!=1 be cube root of unity and S be the set of all non-singula...

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  14. Let M be a 3xx3 matrix satisfying M |{:(,0),(,1),(,0):}|=|{:(,-1),(,2...

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  15. Let P=[a]"be a "3xx3 matrix and let Q=[b]=2^(i+j)a(i) "for" 1 lei, j l...

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  16. If P is a 3xx3 matrix such that P^T = 2P+I, where P^T is the transpose...

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  17. If the adjoint of a 3 xx 3 matrix P is [{:(,1,4,4),(,2,1,7),(,1,1,3):}...

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  18. For 3xx3 matrices Ma n dN , which of the following statement (s) is (a...

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  19. Let M be a 2 x 2 symmetric matrix with integer entries . Then , ...

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  20. Let m and N be two 3x3 matrices such that MN=NM. Further if M!=N^2 and...

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