| The end points of a line segment AB are \[A\,(-\,5,4)\] and \[B\,(7,-\,8).\] Its mid-point is |
A) \[C\,(1,-\,2)\]
B) \[C\,(2,-\,3)\]
C) \[C(2,-\,2)\]
D) \[C\,(2,-1)\]
Correct Answer: A
Solution :
| Mid-point is \[C\,\left( \frac{-\,5+7}{2},\frac{4-8}{2} \right)\]i.e. \[C\,(1,-\,2).\] |
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