Q. 15 D3.8( 16 Votes )

Find the value of

Answer :

Given A(8, 1), B(k, -4) and C(2, -5) are collinear

To Find: Find the value of k

So, The given points are collinear, if are (ABC)=0

= Area of triangle =


= 8(1)+k(-6)+2(3) = 0

= 8 - 6k + 6 = 0

= -6k = -14

Hence, K =

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