Find the distance between the points : `(a-b, b-a), (a+b, a+b)`

Find the distance between the points (a, b) and (-b, a).

Find the distance between the points (a,b) and (-a, -b) .

The distance between the points (a, b) and (-a, -b)

Find the distance between the points A (a+b,a-b) and B (a-b,-a-b)

Find the distance between the points A(3,2) and B(7,5).

Find the distance between origin and the point (a, -b).

Find the distance between the points: P(-6,7) and Q(-1,-5)R(a+b,a-b) and S(a-b-b)A(at_(1)^(2),2at_(1)) and B(at_(2)^(2),2at_(2))

Find the distance between the points A(3,2,1), B(-1,2,-3).