the distance between the point P (2,2) and Q (5,X) is 5 then value of X is
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PQ
2
=(5−2)
2
+(x−2)
2
5
2
=(3)
2
+(x−2)
2
25=9+(x−2)
2
(x−2)
2
=16
x−2=±4
x=6 or x=−2
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