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find the value of a,for which point p(a/3,2)is the mid-point of the line segment joining the point Q(-5,4)and R(-1,0)

Posted by Amit Singh 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Swetanshu Kumar 6 years, 10 months ago

p(a/3,2)=1×(-1)+1×(-5)/1+1 1×0+1×4/1+1 p(a/3,2)=(-1)+(-5)/2 0+4/2 p(a/3,2)=-6/2 4/2 p(a/3,2)=(-3) 2 a/3=(-3) a=(-3)×3 a= -9

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