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points are collenear 3k-1 k-2 k k-7 k-1 -k-2 find the value of k

Posted by Deepak Negi 6 years, 10 months ago

CBSE > Class 10 > Mathematics

3 answers

Ishika Bansal 6 years, 10 months ago

For collinearity of the points ,area of the triangle formed by given points is zero 1÷2{(3k-1)×(k-7+k+2)+k(-k-2-k+2)+(k-1)(k-2-k+7)}=0 {(3k-1)(2k-5)-2k²+5k-5}=0 4k²-12k=0 K=0,3 ok

1Thank You

Anushka Jugran ? 6 years, 10 months ago

Unable to understand ur question Bro

2Thank You

Honey ??? 6 years, 10 months ago

Cant understand your ques.

1Thank You

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CBSE > Class 10 > Mathematics