Question

pls help....in finding the answer of the above given question??

Answer 1

★ P is the mid point of line so that means that m1 : m2 = 1: 1 and A(5k,3) B(-k,-7)
Therefore P(4,-2) = [5k+(-k)/2 , 3+(-7)]
4 x 2 = 4k => k = 8/4 => k= 2