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If A+2I=[(6,2),(3,-4)],then A(A+I)=...

If A+2I=`[(6,2),(3,-4)]`,then A(A+I)=

A

`[(26,-2),(-3,36)]`

B

`[(4,2),(3,-4)]`

C

`[(20,-2),(-3,36)]`

D

`[(14,-2),(-3,36)]`

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A
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PREMIERS PUBLISHERS-MATRICES AND DETERMINANTS-PROBLEMS FOR PRACTICE .(II CHOOSE THE CORRECT OPTION FROM THE FOLLOWING)
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  2. If A=[(2x,2y,2z),(2a,2b,2c),(2p,2q,2r)]and Delta =[(x,y,z),(a,b,c),(p,...

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  4. Find the matrix A if[(1,2),(0,1)]A=[(6,1),(2,1)]

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  9. If A and B are square matrix of same order then (A-B)^(T) is:

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  10. |((x+1/x)^(2),(x-1/x)^(2),1),((y+1/y)^(2),(y-1/y)^(2),1),((z+1/z)^(2),...

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  18. If A=(a(ij))(2xx3),B=(b(ij))(2xx3)then the order of AB will be

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  19. If A=(a(ij))(2xx2).Where a(ij) is given by (i-2j)^(2)then A is:

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  20. If A=[(1,2),(0,1)]then A^(4) is:

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