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the point a divids the joine of P(-5,1) and Q(3,5)in ratio k:1.find the two values of k for which the area of triangle ABC ,where B(1,5) and C is (7,-2) is equal 2 units.

the point a divids the joine of P(-5,1) and  Q(3,5)in ratio k:1.find the two values of k for which the area of triangle ABC ,where B(1,5) and C is (7,-2) is equal 2 units.

Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Hii

The point of division is A. Find out the values of A in terms of K. then use the determinant form of the area of traingle to get the final value of area in terms of k and the equation will be quadratic.

equate the answer to 2 you will get two different value of K

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