for what value of P are the points (2,1) (P,-1) and (-1,3) colinear?
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Answered by
2
Answer:
5
Step-by-step explanation:
(3-1)/(-1-2) = (3+1)(-1-p)
2/-3 = -4/(1+p)
2+ 2p = 12
2p = 10
P = 5
Answered by
8
❤See in the given pic i have takeouted the value of P
Attachments:
InFocus:
y3-y1 is wrong
u did y3+y1 instead of y3-y1
and in 3rd step u have written -8-2=-6 instead of - 10
therefore the value of p is 5
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