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AP EAMCET202022 Sep 2020Morning ShiftMathematicsStraight LinesActual

The acute angle between the lines x-y=0 , and y=0 is

Options

  1. A6
  2. B4
  3. C3
  4. D5 6

Correct answer

B. 4

Step-by-step solution

Equation of given lines x-y=0 and y=0 . aligned & = ⁻¹ ( |1 0-1 1+0 0| 1+1 1 ) & = ⁻¹ ( 1 2 )= 4 aligned

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