Question

the distance between A (a+b,a-b) B (a-b,-a-b) is

Answer 1

Answer:

2√a^2+b^2

Step-by-step explanation:

√{(a+b)-(a-b)}^2+{(a-b)-(-a-b)}^2

√(2b)^2+(2a)^2

√4a^2+4b^2

2√a^2+b^2