Q.

The value of the determinant  |111b+cc+aa+bb+c−ac+a−ba+b−c| is

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a

abc

b

a+b+c

c

ab+bc+ca

d

None of these

answer is D.

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Detailed Solution

|111b+cc+aa+bb+c−ac+a−ba+b−c| R2→2R2−R3 |111a+b+ca+b+ca+b+cb+c−ac+a−ba+b−c|a+b+c |111111b+c−ac+a−ba+b−c|=0
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