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If A=[3 1-1 2] , show that A^2-5A+7I=O ....

If `A=[3 1-1 2]` , show that `A^2-5A+7I=O` . Use this to find `A^4`

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The correct Answer is:
`[(39,55),(-55,-16)]`
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If A=[31-12], show that A^(2)-5A+7I=O. Use this to find A^(4)

If A=[31-12], show that A^(2)-5A+7I_(2)=O

If A=[[3,1-1,2]], show that A^(2)-5A+7I=0

If =[31-12], show that A^(2)-5A+7I_(2)=O

If A=[31-12], show that A^(2)-5A+7I=O. Hence,find A^(-1)

If A=[{:(3,1),(-1,2):}] , show that A^(2)-5A+7I=O . Hence, find A^(-1) .

if A=[{:(3,1),(-1,2):}], show that A^(2)-5A+7I=0.

If A=[3112], show that A^(2)-5A+7I=0 Hence find A^(-1) .

If A= [[3,1] , [-1,2]] then show that A^2 - 5A+7I =0 Hence find A^(-1)

If A=[(5,3),(12,7)] , show that A^(2)-12A-I=0 . Hence find A^(-1) .

MODERN PUBLICATION-MATRICES-Exercise 3 (d) Long Answer Type Questions I
  1. Find the matrix X so that X[1 2 3 4 5 6]=[-7-8-9""""""2""""""4""""6]

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  2. If A=[(1,-2),(-3,4)], then find A^(2)+5A.

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  3. If A=[3 1-1 2] , show that A^2-5A+7I=O . Use this to find A^4

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  4. Let A ={:[(2,0,1),(2,1,3),(1,-1,0)] and f(x) = x^(2) -5x + 6 , find f(...

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  5. यदि A= [[2,0,1],[2,1,3],[1,-1,0]], तब A^(2) - 3A + 2I का मान ज्ञात क...

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  6. if A=[{:(3,1),(-1,2):}],show that A^(2)-5A+7I=0.

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  7. If M=[(7,5),(2,3)], then verify the equation : M^(2)-10M+11I(2)=O

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  8. If A+l={:[(2,2,3),(3,-1,1),(4,2,2)]:} then show that A^(3)-23A-40l=0

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  9. If A=[1 0 2 0 2 1 2 0 3] , prove that A^3-6A^2+7A+2I=0

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  10. If A=[{:(-1,2),(3,1):}], find f(A), where f(x)=x^(2)-2x+3.

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  11. If A=[(3,1),(-1,2)], then find f (A), where f(x)=x^(2)-5x+7.

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  12. If A=[1 0-1 7] , find k such that A^2-8A+k I=O .

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  13. If A A=[3-2 4-2]and I=[1 0 0 1], find k so that A^2=k A-2I.

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  14. If A=[(0,3),(-7,5)] and I=[(1,0),(0,1)], then find 'k' so that k^(2)=5...

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  15. Solve system of linear equations, using matrix method, x y" "+" "2...

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  16. Let A=[0 1 0 0]show that (a I+b A)^n=a^n I+n a^(n-1)b A, where I is t...

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  17. A matrix X has a+b rows and a+2 columns while the matrix Y has b+1 ...

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  18. Let A=[(-1,-4),(1,3)], prove by Mathematical Induction that A^(n)=[(1-...

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  19. If A=[[costheta,-sintheta],[sintheta,costheta]] then show that A^n = [...

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  20. If A=[costhetaisinthetaisinthetacostheta], then prove by principal of ...

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