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12 The point P divides the line segment joning A(-5,1) and B(3,5) in the ratio of alpha : 1 internally .Point Qand R are (1,5) and (7,2) restactively .If area of tringle PQR is 2 then find the value of alpha ?? |
| Answer» 12 The point P divides the line segment joning A(-5,1) and B(3,5) in the ratio of alpha : 1 internally .Point Qand R are (1,5) and (7,2) restactively .If area of tringle PQR is 2 then find the value of alpha ?? | |