Linear Algebra

1:

Determinant of the matrix

 
1 0 0 0
100 1 0 0
100 200 1 0
100 200 300 1
 
is

 

A.

100

B.

200

C.

1

D.

0

 

Answer : C

Explanation :

priyanka said: (11:00pm on Wednesday 1st July 2015)
the given matrix is referred as lower triangular matrix . then the determinant of that type of matrix is the product of diagonal elementsfrom the above given matrix, the diagonal elements are 1,1,1,1the product of 1.1.1.1=1

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Option: A

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