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Line segment bar(AB) has midpoint (7,-1)...

Line segment `bar(AB)` has midpoint (7,-1) . If point A has coordinates (2,6) , then point B has coordinates

A

`(9/2,5/2)`

B

`(19/2, -9/2)`

C

(12,-8)

D

(14,-8)

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The correct Answer is:
C
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