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If A=[{:(3,-4),(1,-1):}] then show that ...

If `A=[{:(3,-4),(1,-1):}]` then show that `A^(k)=[{:(1+2k,-4k),(k,1-2k):}],k epsilon N`

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SHARAM PUBLICATION-MODEL QUESTION PAPER 13-EXERCISE
  1. Solve the following LPP graphically Maximize, Z=20x+30y Subject to...

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  2. Find the inverse of the matrix [[0,0,2],[0,2,0],[2,0,0]].

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  3. If A=[{:(3,-4),(1,-1):}] then show that A^(k)=[{:(1+2k,-4k),(k,1-2k):}...

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  4. Prove without expanding that |[bc,a,a^2],[ca,b,b^2],[ab,c,c^2]|=|[1,a^...

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  5. Solve : |[x-a, 0, 0],[a, x-b, 0],[a, b, x-c]|=0

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  6. Prove that: |[1, 1, 1],[a, b, c],[a^2, b^2, c^2]|=(a-b)(b-c)(c-a)

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  7. Find the value of k, so that the function defined by f(x)={(kx+1", if...

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  8. If x^y = e^(x-y) then prove that (dy)/(dx)=logx/(1+logx)^2.

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  9. If x=asec theta, y=b tan theta, then prove that (d^(2)y)/(dx^(2))=-(b^...

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  10. Find the points on the curve x^(2) + y^(2) - 2x - 3 = 0 at which the t...

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  11. For which value of x, the function f(x)=4-x-x^2is maximum or minimum.

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  12. Evaluate int (x+3)^2dx

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  13. Evaluateint0^pi (2/4)sinsqrtxdx

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  14. Evaluate int sin^-1 x dx

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  15. Find the area bounded by the line y = 2x, x- axis and the ordinate x =...

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  16. Solve(dy)/(dt)=e^(3t+5y)

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  17. If the position vectors of the points A, B, C are 2hat(i) + hat(j) - h...

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  18. If veca = (2,-2,1), vecb = (2,3,6) and vecc = (-1,0,2), Find the magni...

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  19. Find the perpendicular distance of the point (-1,3,9) from the line (x...

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  20. Find the equation of the plane passing through (3,-6,-9) and parallel ...

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