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If the lines ax + by + c = 0, bx + cy + ...

If the lines `ax + by + c = 0, bx + cy + a = 0` and `cx + ay + b = 0` be concurrent, then:

A

`a ^(3) + b^(3) +c^(3) +3 abc =0`

B

`a ^(3)+b^(3) +c^(3) -abc =0`

C

` a^(3) + b^(3) +c^(2) -3 abc =0`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-STRAIGHT LINE -COMPETITIVE THINKING
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