If the distance between two points (0,–5) and (x,0) is 13 unit, then x =

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Accepted Answer

According to question , we have √( x - 0 )2 + ( 0 + 5 )2 = 13 ⇒ x2 + 25 = 169 ⇒ x2 = 169 - 25 = 144 ∴ x = √144 = 12

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