CUSAT 2018 BTech Solved Paper

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Question : 13 of 250
 
Marks: +1, -0
The system of equations αx+y+z=0,x+βy+z=0,x+y+γz= has a non trivial solution. Then ‌
1
1−α
+‌
1
1−β
+‌
1
1−γ
=

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