Question

A (5,1) ,B (x,7) ,C(8,2) are three points such that AB=2AC.. Find all possible values of x​

Answer 1

Answer:

Look the solution.

Since we know that the distance between 2 points having co ordinates (x1, y1) and (x2, y2) is

d=

$\sqrt{{(x2 - x1) }^{2} + {(y2 - y1)}^{2} }$