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Application of Derivatives question

2006 · Shift 0 · Q57
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Application of Derivatives question

2006 · Shift 0 · Q57

JEE MainMathematicsApplication of DerivativesMCQ+4 / −1
The function f(x)=x2+2xf\left( x \right) = {x \over 2} + {2 \over x}f(x)=2x​+x2​ has a local minimum at
  1. A
    x=2x=2x=2
  2. B
    x=−2x=-2x=−2
  3. C
    x=0x=0x=0
  4. D
    x=1x=1x=1
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