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Square matrix [a(ij)](ntimesm) will be a...

Square matrix `[a_(ij)]_(ntimesm)` will be an upper triangular matrix, if

A

`a_(ij)ne0` for igtj

B

`a_(ij)=0` for igtj

C

`a_(ij)=0` for iltj

D

None of these

Text Solution

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The correct Answer is:
B
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