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In a 4xx4 matrix the sum of each row, co...

In a `4xx4` matrix the sum of each row, column and both the main diagonals is `alpha`. Then the sum of the four corner elements

A

is also `alpha`

B

may not be `alpha`

C

is never equal to `alpha`

D

none of these

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A
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FIITJEE-MATHEMATICS TIPS-ASSIGNMENT -OBJECTIVE
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  7. Let A, B, C be three events such that P (exactly one of A or (B) = P (...

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  8. If px^(4)+qx^(3)+rx^(2)+sx+t=|{:(x^(2)+3x,x-1,x+3),(x^(2)+1,2-x,x-3),(...

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  9. In a 4xx4 matrix the sum of each row, column and both the main diagona...

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  10. A unit tengent vector at t = 2 on the curve x=t^(2)+2, y=4t^(3)-5,z=2t...

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  11. If p is a prime and both roots of x^(2)-px-444p=0 are integers, then p...

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  15. Position vector hat k is rotated about the origin by angle 135^0 i...

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  16. If vec a , vec b ,a n d vec c are there mutually perpendicular uni...

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  18. One of the roots of the equation 2000x^6 + 100x^5 + 10x^3 + x-2 =0 is ...

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  19. If omega is the 2014^("th") root of unity and z(1) and z(2) be any two...

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