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A Point A divides the join of P(-5,1) an...

A Point A divides the join of P(-5,1) and Q(3.5) in the ratio `k:1`. Then the integral value of K for which the area of `Delta ABC`. Where B is (1,5) and C is `(7,-2)` is equal to 2 units in magnitude is

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A point A divides the join of P(-5,1) and Q(3,5) in the ratio k :1 . Then the integral value of k for which the area of A B C , where B is (1,5) and C is (7,-2) , is equal to 2 units in magnitude is___

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