Question

if (x y) lies on the joining of points (a,b) and (b,a) then x+y is​

Answer 1

Step-by-step explanation:

X= (b+a)/2

Y= (a+b)/2

.

X+Y= (a+b)/2 +(a+b)/2

= {(a+b)+(a+b)}/2

= 2(a+b)/2

= (a+b)