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If a,b,c are non-zero real numbers such ...

If `a,b,c` are non-zero real numbers such that `3(a^2+b^2+c^2+1)=2(a+b+c+ab+bc+ca)` then `a,b,c` are in

A

A.P.

B

G.P

C

Both A.P and G.P

D

None of these

Text Solution

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The correct Answer is:
C
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