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Find the coordinates of points on …

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Find the coordinates of points on the x-axis which are at a distance of 17 units from the point (-11,8)
  • 1 answers

Ram Kushwah 6 years, 9 months ago

Let the point on x axis is A (x,0) Let Bis (-11,8)

AB^2=(x+11)^2+(0-8)^2

172=x2+22x+121+64

x2+22x+185-172=0

x2+22x-104=0

x2+26x-4x-104=0

x(x+26)-4(x+26)=0

(x+26)(x-4)=0

x=-26 or 4

So Coordinates of the said two pints are

(-26,0) and (4,0)

 

 

 

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