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Application of Derivatives question

2016 · Shift 1 · Q24

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PYQ Library
JEE Advanced
Mathematics
Application of Derivatives
2016 · Shift 1 · Q24

Application of Derivatives question

2016 · Shift 1 · Q24

JEE AdvancedMathematicsApplication of DerivativesMCQ+3 / −1

The least value of a

\in R

for which

4a{x^2} + {1 \over x} \ge 1,

, for all

x\gt 0

. is

A
${1 \over {64}}$
B
${1 \over {32}}$
C
${1 \over {27}}$
D
${1 \over {25}}$

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