Let k be an integer such that triangle w...

Let k be an integer such that triangle with vertices (k, -3k), (5, k) and (-k, 2) has area 28 sq. units. Then the orthocentre of this triangle is at the point

A

`(2, 1/2)`

B

`(2, - 1/2)`

C

`(1, 3/4)`

D

`(1, - 3/4)`

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The correct Answer is:

A

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