If 4a2 + 9b2 + 16c2 =2(3ab + 6bc + 4ca), where a,b,c are non-zero numbers, then a,b,c are in
- AP
- GP
- HP
- none of these
If 4a2 + 9b2 + 16c2 =2(3ab + 6bc + 4ca), where a,b,c are non-zero numbers, then a,b,c are in
- AP
- GP
- HP
- none of these
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