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If {:[(4,-5),(3,6)]:}+2X={:[(8,-1),(-7,2...

If `{:[(4,-5),(3,6)]:}+2X={:[(8,-1),(-7,2)]:}`, then `X^(T)` =

A

`{:[(2,2),(-5,2)]:}`

B

`{:[(2,-5),(2,-2)]:}`

C

`{:[(1,0),(0,1)]:}`

D

`{:[(2,-5),(-2,2)]:}`

Text Solution

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The correct Answer is:
B
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PEARSON IIT JEE FOUNDATION-MATRICES-LEVEL 2
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  5. If A={:[(-3,-2),(-1,3)]:}, then A^(2)-11I=

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  6. If A={:[(a-3,-5),(c+1,b-2)]:} is a skew =-symmetric matrix, then a+b-c...

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  7. If A={:[(0,y),(y,0)]:} which of the following is true ?

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  8. If {:[(4,-5),(3,6)]:}+2X={:[(8,-1),(-7,2)]:}, then X^(T) =

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  9. If A={:[(p,2),(-4,-5)]:},B={:[(q,r-s),(r,-5)]:}" and A=B. Find"{:[(p,q...

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  12. If A=(1)/(sqrt(3)){:[(-8,3),(3,8)]:}," then "A^(5) =

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  13. Which of the following is square root of {:[(16,4),(3,13)]:} ?

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  14. If 5A-2B={:[(11,2,-5),(4,-3,6)]:}and-2A+B={:[(4,-2,4),(-5,3,1)]:}, the...

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  15. If {:[(4,5)]:}{:[(1,6),(x,3)]:}{:[(-2),(3)]:}=[9], then the value of x...

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  16. If A={:[(5,-6),(2,4)]:}andB=A^(T)," then "A^(T)-B^(T) is .

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  18. If A={:[(7,0),(0,7)]:}," then find "A^(n)(ninN) .

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  19. If A={:[(p,0),(0,p)]:}" then "A^(n+1) is .

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  20. If A={:[(5,6),(7,8)]:}," then "(A+A^(T))/(2) is .

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