if (p,2),(-3,4)and(7,-1)are collinear, then p=
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Step-by-step explanation:
The given points are collinear, the slope of the line joining the points (-1, 3) nd (2, p) is equal to the slope of the line joining the points (-1, 3) and (5, - 1).
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Step-by-step explanation:
1/2|x1(y2-y3)+x2(y3-y1)+x3(y1-y2)|
by use this formula
we can find the answer P=-11/7
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