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let a=i+j,b=j+k and c=αa+βb.If the vectors i-2j+k, 3i+2j-k and c are coplanar then α/β equals |
| Answer» let a=i+j,b=j+k and c=αa+βb.If the vectors i-2j+k, 3i+2j-k and c are coplanar then α/β equals | |