it is being given that the points A(1,2) ,B(0,0) and C(a,b) are collinear. which of the following relations between a and b is true (A) a=2b (B) 2a=b (C) a+B=0 (D) a-b=0
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Area of triangle =0
So
1(0-b)+0(b-2)+a(2-0)=0
-b+2a=0
(B) is correct answer
So
1(0-b)+0(b-2)+a(2-0)=0
-b+2a=0
(B) is correct answer
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