Question

If A (2.0), B (-3.5) and C (4,k) are the
collineat then​

Answer 1

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Answer 2

Answer:

Then the area enclosed by these three points is zero

=> 2 ( 5 - k ) + [-3 ( k - 0 ) ] + 4 ( 0 - 5 ) = 0

=> 10 - 2k - 3k - 20 = 0

=> -5k -10 = 0

=> -5k = 10

=> k = -2 (Ans.)