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Q, R, S are the points on the line joini...

Q, R, S are the points on the line joining the point P(a,x) and T(b,y) such that PQ=QR=RS=ST, then `((5a+3b)/8, (5x+3y)/8)` is the midpoint of the segment

A

PQ

B

QR

C

RS

D

ST

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