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Show that the matrix A = [(1,2,1),(3,2,3...

Show that the matrix `A = [(1,2,1),(3,2,3),(1,1,2)]` is non-singular and find `A^(-1)`.

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SRISIRI PUBLICATION-IPE:MARCH-2017(TS)-QUESTIONS
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  3. Prove that cos48^@.cos12^@=(3+sqrt5)/8.

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  5. Show that |{:(1,a,a^2),(1,b,b^2),(1,c,c^2):}|=(a-b)(b-c)(c-a)

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  6. IF overlinea,overlineb,overlinec are non-coplanar, then prove that the...

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  7. IF overlinea=2overlinei+overlinej-overlinek,overlineb=-overlinei+2over...

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  12. If Q is the set of all rational numbers, and f:Qto Q is defined by f(x...

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  13. If f={(4,5),(5,6),(6,-4)},g={(4,-4),(6,5),(8,5)} find (iii) fg

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  14. Using Mathematical Induction, prove that statement for all n in N 1....

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  15. Solve the following system of equations by using Cramer's rule. 2x-y...

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  16. Show that the matrix A = [(1,2,1),(3,2,3),(1,1,2)] is non-singular and...

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  17. IF A=[{:(1,2,2),(2,1,2),(2,2,1):}] then show that A^2-4A-5I=O.

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