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ISRO 2007 ECE Determinant
0
votes
153
views
The value of determinant
is:
a) 0
b) 1
c) 3
d) a+b+c
isroece
engineeringmathematics
linearalgebra
asked
Mar 3, 2017
in
Linear Algebra
by
sh!va
Boss
retagged
Mar 9, 2019
by
Naveen Kumar 3

153
views
answer
comment
+1
ans will be zero perform C2+C3 then C2 will become a+b+c then perform R1R2 , R2R3
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1
Answer
+3
votes
Perform C2< C2+ C3 then take a+b+c common from second column. Now we have two columns C1 and C2 having all entries as 1 so they are linearly dependent so determinant is (a+b+c)( 0 ) which gives answer as 0 (option A)
answered
Mar 3, 2017
by
Rahul Jain25
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