Questions
If the point divides the join of and internally, then
a
t<0
b
0
c
t>1
d
t=1
detailed solution
Correct option is B
The co-ordinates of the point of division arex1+tx2−x1,y1+ty2−y1=(1−t)x1+tx2(1−t)+t,(1−t)y1+ty2(1−t)+tClearly, these are the coordinates of the point dividing the jo of x1,y1 and x2,y2 in the ratio t:(1−t). For the internal division, we must havet>0 and 1−t>0⇒0Talk to our academic expert!
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is a square. Points and lie on and , respectively, such that divides the square in two equal parts. If the coordinates of A are , then the value coordinates of other vertices can be
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