Question

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

Answer 1

Answer:

Required answer in above pic

Answer 2

Answer:

The distance is 2d

Step-by-step explanation:

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

x1 = a, y1= -b, x2 = a, y2 = b

By distance formula,

d(A, B) = √[(x2-x1)²+ (y2-y1)²] .... (Formula)

= √(a-a)²+ [b-(-b)]²

= √0+ (b+b)²

= √0+ (2b)²

= √0+ 4b²

= √4b²

= 2d.

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