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if the point (1,2) and (3,4)were to be opposite side of line3x-7y+a=0 then 7<a<11 a=11 a=7 a<7 or a>11

if the point (1,2) and (3,4)were to be opposite side of line3x-7y+a=0 then
  1.  7<a<11
  2. a=11
  3. a=7
  4. a<7 or a>11

Grade:12th pass

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
L1 L2 <0
(3-14+a)(9-28+a) <0
(a-11)(a-19)<0
11<a<19
i guess there is some error in the point you have given , check it again method is same

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