Question

find find the distance Between points
p (a + b , a-b ) and q (a- b , a + b)​

Answer 1

pq=√(a-b-a-b)²+(a+b-a+b)²

pq=√(-2b)²+(2b)²

pq=√4b²+4b²

pq=√8b²

pq=2b√2