Question

Find the value of 'K' if the points (K,3),(6,-2)and(-3,4)are collinear​

Answer 1

Step-by-step explanation:

if the points are collinear area of tringle is 0

area of triangle = 1/2 ! k 3 1 !

! 6 -2 1!

! -3 4 1!

(the thing in exclamation marks is determinant)

the above determinant x 1/2 =0

k [ -2-4] - 3 (6+3) + (24-6) =0

-6k -27 + 18 =0

-6k = 9

k = -3/2

hope it helps

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