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[" 31.The coordinates of "P" and "Q" are...

[" 31.The coordinates of "P" and "Q" are "(-3,4)" and "(2,1)" ,respectively."],[" If "PQ" is extended to "R" such that "PR=2QR" ,then what are the "],[" coordinates of "R?],[[" (a) "(3,7)," (b) "(2,4)],[" (c) "(-(1)/(2),(5)/(2))," (d) "(7,-2)]]

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