1.

If x loge (loge x) – x2 + y2 = 4 (y > 0), then dy/dx at x = e is equal to:

A. \(\frac{{\left( {1 + 2e} \right)}}{{2\sqrt {4 + {e^2}} }}\)
B. \(\frac{{\left( {2e - 1} \right)}}{{2\sqrt {4 + {e^2}} }}\)
C. \(\frac{{\left( {1 + 2e} \right)}}{{\sqrt {4 + {e^2}} }}\)
D. \(\frac{e}{{\sqrt {4 + {e^2}} }}\)
Answer» C. \(\frac{{\left( {1 + 2e} \right)}}{{\sqrt {4 + {e^2}} }}\)


Discussion

No Comment Found

Related MCQs