Find the value(s) of p for which the points (3p + 1, p), (p + 2, p – 5) and
(p + 1, –p) are collinear.
Answers
Answered by
5
Use the concept of slope to proof colliearity.
p-5-p/(p+2-3p+1)=(-p-p)/(p+1-3p+1)
after solving p=1 or p= 5/2.
Hope this will help. If you have any doubt message me.
Thank you for reading.
p-5-p/(p+2-3p+1)=(-p-p)/(p+1-3p+1)
after solving p=1 or p= 5/2.
Hope this will help. If you have any doubt message me.
Thank you for reading.
Answered by
2
Use the formula:
1/2 [x1(y2-y3) + x2(y3-y1) + x3(y1-y2)]
1/2 [x1(y2-y3) + x2(y3-y1) + x3(y1-y2)]
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