Answer:
Since, P and Q are the points of trisection of AB then, P divides AB in \[1:2\]. \[\therefore \] Coordinates of P \[=\left( \frac{1(-7)+2(2)}{1+2},\frac{1(4)+2(-2)}{1+2} \right)\] \[=\left( \frac{-3}{3},\frac{0}{3} \right)=(-1,0)\] And, Q is the mid-point of PB \[\therefore \]Coordinates of \[Q=\left( \frac{-1+(-7)}{2},\frac{0+4}{2} \right)\] \[=(-4,2)\] So, \[P=(-1,0),Q=(-4,2)\]
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