Question

find the distance between two points (a+b),(a-b) and (a-b),(-a+b)
answer it please if know the correct answer ​

Answer 1

Question ⤵

find the distance between two points (a+b),(a-b) and (a-b),(-a+b)

Solution ⤵

$\sqrt{(a - b - a - b ^{2} + ( - a - b - a + b {}^{2} }$

⇒ RS⤵

$\sqrt{4b {}^{2} + 4a {}^{2} }$

⇒

$2 \sqrt{a {}^{2} + b {}^{2} }$

Answer 2

Answer:

Answer in the attachment.