Question

the distance between a(a+b a-b) and b(a-b -a-b) is_________ square units​

Answer 1

Answer:

√(a+b - (a-b))^2 + (a-b - (-a-b))^2

= √(a+b-a+b)^2 + (a-b+a+b)^2

= √(2b)^2 + (2a)^2

= √ 4b^2 + 4a^2

= 2√a^2 + b^2