Find the value of k for which the points are collinear.
(i). (7,-2) (5,1). (3,k).
(ii) (8,1) (k,-4) (2,-5).
priyaagarwal11:
fine.
no never i don't like to so.
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when they are collinear then slopes are equal
I) 1+2/5-7 = k-1/3-5
3/-2 = k-1/-2
k-1 = 3 => k = 4
II) -4-1/k-8 = -5-1/2-8
-5/k-8 = -6/-6 = 1
k-8 =-5 => k = 3
Hope it helps u :-)
I) 1+2/5-7 = k-1/3-5
3/-2 = k-1/-2
k-1 = 3 => k = 4
II) -4-1/k-8 = -5-1/2-8
-5/k-8 = -6/-6 = 1
k-8 =-5 => k = 3
Hope it helps u :-)
Second one is wrong once check again.
yy
say the mistake
the answer is K=3.
oo
wait
done
thank you
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