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Using the factor theorem it is found tha...

Using the factor theorem it is found that `a+b , b+ca n dc+a` are three factors of the determinant `|-2a a+b a+c b+a-2bb+cc+a c+b-2c|dot` The other factor in the value of the determinant is (a) 4 (b) 2 (c_ `a+b+c` (d) none of these

A

4

B

2

C

`a+b+c`

D

none of these

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The correct Answer is:
A
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