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MHT CET202014 Oct 2020Evening ShiftMathematicsProperties of TrianglesActual

In a triangle ABC with usual notations, A- C a-c + B b =

Options

  1. A1 b
  2. B2 b
  3. C-1 b
  4. D-2 b

Correct answer

C. -1 b

Step-by-step solution

A- C a-c + B b = b A-b C+a B-c B b(a-c) = (a B+b A)-(b C+c B) b(a-c) = c-a b(a-c) = -1 b

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