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Question

If the planes x− cy−bz= 0, cx −y+ az= 0 and bx+ ay−z = 0 pass through a straight line then find the value of a2+b2+c2+2abc

A
1
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B
2
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C
None of these
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Solution

The correct option is A 1

Equation of plane passing thorugh the line of intersection of two planes can be given as π1+λπ2=0 is (xcybz)+λ(cxy+az)=0 and bx +ay -z=0 are indentical


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