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Differential Equations question

2013 · Shift 1 · Q36
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  5. /2013 · Shift 1 · Q36

Differential Equations question

2013 · Shift 1 · Q36

JEE AdvancedMathematicsDifferential EquationsMCQ+4 / −1
A curve passes through the point (1,π6)\left( {1,{\pi \over 6}} \right)(1,6π​). Let the slope of the curve at each point (x,y)(x,y)(x,y) be yx+sec⁡(yx),x>0.{y \over x} + \sec \left( {{y \over x}} \right),x \gt 0.xy​+sec(xy​),x>0. Then the equation of the curve is
  1. A
    sin(yx)=log⁡x+12sin\left( {{y \over x}} \right) = \log x + {1 \over 2}sin(xy​)=logx+21​
  2. B
    cos ec(yx)=log⁡x+2cos\,ec\left( {{y \over x}} \right) = \log x + 2cosec(xy​)=logx+2
  3. C
     s ec(2yx)=log⁡x+2 \,s\,ec\left( {{{2y} \over x}} \right) = \log x + 2\,sec(x2y​)=logx+2
  4. D
     cos(2yx)=log⁡x+12\,cos\left( {{{2y} \over x}} \right) = \log x + {1 \over 2}cos(x2y​)=logx+21​
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