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