If (y = x^2 – frac{1}{x}). find dy/dx

If (y = x^2 – frac{1}{x}). find dy/dx

  • A.
    2x – (1/x2)
  • B.
    2x + x2
  • C.
    2x – x2
  • D.
    2x + (1/x2)
Correct Answer: Option D
Explanation

(y = x^{2} – frac{1}{x} = x^{2} – x^{-1})

(frac{mathrm d y}{mathrm d x} = 2x – (- x^{-2}))

= (2x + frac{1}{x^{2}})

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