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Matrix A =[(1,2,3),(1,1,5),(2,4,7)] th...

Matrix ` A =[(1,2,3),(1,1,5),(2,4,7)]` then the value of ` A_(31) A_(31) +a_(32) A_(32) +a_(33)A_(33) ` is

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The correct Answer is:
`a_(31) A_(31) + a_(32) A_(32) + a_(33) A_(33) = -1`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-MATRICES
  1. If the system of equations 6x + 2y = 3 and kx + y = 2 has a unique so...

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  2. Let A=[1-1 1 2 1-3 1 1 1]a n d10 B=[-4 2 2-5 0alpha1 2 3]dot If B is...

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  3. Matrix A =[(1,2,3),(1,1,5),(2,4,7)] then the value of A(31) A(3...

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  4. For a invertible matrix A if A (adj A) =[(10,0),(0,10)] then |A...

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  5. IF the inverse of the matrix [(alpha , 14,-1),(2,3,1),(6,2,3)] ...

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  6. Select and write the most appropriate answer from the given alternativ...

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  7. A = [(cos theta,-sin theta),(-sin theta,-cos theta)] then find A^(-1).

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  8. If A = [(a,b),(c,d)] then find the value of |A|^(-1)

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  9. If A = [(3,1),(5,2)], and AB = BA = I, then find the matrix B.

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  10. If A(theta) = [(cos theta,sin theta),(-sin theta,cos theta)] then prov...

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  11. If A = [(1,2),(3,-2),(-1,0)]and B = [(1,3,2),(4,-1,3)] then find the o...

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  12. If A+l=[(3,-2),(4,1)] then (A+l)(A-l) is equal to

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

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  14. If A=[(-2,4),(-1,2)] then A^(2) is equal to

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  15. If A = [(0,3,3),(-3,0,-4),(-3,4,0)] and B = [(x),(y),(z)], find the ma...

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  16. If f(x) = x^(2) - 2x - 3 then find f(A) when A = [(1,2),(2,1)]

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  17. If A = [(-1),(2),(3)],B = [(3,1,-2)], find B'A'

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  18. If A is an invertible matrix of order 3 and |A|=5 , then find |a d ...

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  19. If A = [(6,5),(5,6)] and B = [(11,0),(0,11)] then find A'B'

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  20. If A = [(2,4),(1,3)] and B = [(1,1),(0,1)] then find (A^(-1)B^(-1))

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