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Definite Integration question

2015 · Shift 2 · Q36
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  5. /2015 · Shift 2 · Q36

Definite Integration question

2015 · Shift 2 · Q36

JEE AdvancedMathematicsDefinite IntegrationMCQ+4 / −1
Let f′(x)=192x32+sin⁡4 πxf'\left( x \right) = {{192{x^3}} \over {2 + {{\sin }^4}\,\pi x}}f′(x)=2+sin4πx192x3​ for all x∈R  x \in R\,\,x∈R with f(12)=0f\left( {{1 \over 2}} \right) = 0f(21​)=0. If m≤∫1/21f(x)dx≤M,m \le \int\limits_{1/2}^1 {f\left( x \right)dx \le M,}m≤1/2∫1​f(x)dx≤M, then the possible values of mmm and MMM are
  1. A
    m=13,M=24m=13,M=24m=13,M=24
  2. B
     m=14,M=12\,m = {1 \over 4},M = {1 \over 2}m=41​,M=21​
  3. C
    m=−11,M=0m=-11,M=0m=−11,M=0
  4. D
    m=1,M=12m=1,M=12m=1,M=12
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