1. A find the distance between the points
A(7,-1) and B(3,2)
nr ad Q52).
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A(7, -1) , B(3, 2) ,........ (Given points)
Let A (7.-1) be x1, y1
and B(3, 2) be x2, y2
since,
We know that,
Distance formula=√ (y2-y1) ²+(x2-x1) ²
therefore, by substituting the values,
d(A, B) =√(2+1) ²+(3-7) ²
=√3²-4²
=√9+16
=√25
=5
therefore, d(A, B) =5 units
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