Math, asked by nagamanikankanala9, 10 months ago

find k,if (k, -1), (2, 1), (4, 5) are collinear

Answers

Answered by Anonymous

6

Step-by-step explanation:

k(1-5)+2(5+1)+4(-1-1)=0

-4k+12-8=0

-4k=-4

k=1

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