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if the points P ( -4,6,10) ,Q ( 2,y,6) and R (14 , 0 ,-2) are such that Q trisects the line segment PR and is nearer to P . find the value of y .

om , 6 Years ago
Grade 11
anser 1 Answers
Suryadeep Mandal

Last Activity: 6 Years ago

P_______Q________________R
 
So, PQ : QR = 1:2
Using Section formula for this,
 
y= (2×(-4) + 1×0)/(1+2)=(-8)/3

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