Question

show that the point [2,-2 ] [-3, 8 ] and [-1 ,4] are collinear

Answer 1

Answer:

Refer below solution

Step-by-step explanation:

Using area of triangle

=1/2[x1(y2-y3)+X2(y3-y1)+X3(y1-y2)

=1/2[2(8-4)-3(4+2)-1(-2-8)]

=1/2[8-18+10]

=1/2[0]

=0

Hence shown