Question

find the distance between the following points.A(a+b+,a-b),B(a-b,a+b)
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Answer 1

Answer:

0 as the distance is 0i.e. the points are collinear (at one position)

Step-by-step explanation:

((a-b)²-(a+b)²)+((a+b)²-(a-b)²

-4ab+4ab

0

Answer 2

Answer:

2√2b

Step-by-step explanation:

using distance formula

distance AB =

√(a + b - a + b)^2 + (a - b - a - b)^2

= √ (2b)^2 + (-2b)^2

= √4b^2 + 4b^2

= √8b^2

= 2√2b