four point p,q,r,s are on a line segment. if pq :qr0= 1:2 qr :rs=8:5 then find pq:qs?
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p------q------r------s
a/c pq/rq=1/2.
rq=2pq----(1)
qr/rs=8/5
5qr=8rs-----(2)
pq/qs=pq/(qr+rs) =(1/2qr)/(5/8rq+rq)
=(1/2)/(13/8)=4/13
a/c pq/rq=1/2.
rq=2pq----(1)
qr/rs=8/5
5qr=8rs-----(2)
pq/qs=pq/(qr+rs) =(1/2qr)/(5/8rq+rq)
=(1/2)/(13/8)=4/13
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