1.

P(6,-6),Q(3,-7),and R(3,3) are collinear or not explain that

Answer» if pq=qr=pr=0 then it will be collinear??????????????????????????????????????????????
You should do by yourself
Check if sum of any 2 of them is equal to the 3rd Eg PQ+QR=PR or else
I don\'t know ??


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