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Most Important Selected Qs for JEE AdvancedMathematicsStraight Lines

Let A B C be an isosceles triangle with A B=A C . If A B: 4 x+y=7, A C: x+4 y=7 and B C is passing through (1,1) , then possible equation of B C is:

Options

  1. A3 x+2 y=5
  2. Bx+y=2
  3. C2 x+3 y=5
  4. Dx-y=0

Correct answer

B. x+y=2

Step-by-step solution

Slope of B C is -1 or 1 .

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