$x^2 + 2$ ની સાપેક્ષમાં $(x^2 + 4)^{-1/2}$ નું વિકલન (primitive) શું થાય?

  • A
    $\frac{2}{\sqrt{x^2 + 4}} + C$
  • B
    $\sqrt{x^2 + 4} + \frac{1}{\sqrt{x^2 + 4}} + C$
  • C
    $2\sqrt{x^2 + 4} + C$
  • D
    આપેલ પૈકી એક પણ નહીં

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