Question

The distance between the points (a, b) and (-a, -b) is​

Answer 1

Answer:

Let the points be A(a,b) and B(-a,-b).

By Distance Formula,

AB = √(-a-a)^2 + (-b-b)^2

= √(-2a)^2 + (-2b)^2

= √4a^2 + 4b^2

= √4(a^2 + b^2)

AB = 2√a^2 + b^2

This is your answers.

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