find the values of y for which the distance between
the points
P(2,-3) and Q(10 y)is 10 units.
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Answer:
P(2,-3);Q(10,y)
√(10-2)^2+(y+3)^2=10
√(10-2)^2+√(y+3)^2=10
(10-2)+(y+3)=10
8+y+3=10
11+y=10
y=10-11
y=-1
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