જો દરેક ત્રીજોડ $(a, b, c)$ માટે $f(x)=a+b x+c x^{2}$ હોય તો  $\int \limits_{0}^{1} f(\mathrm{x}) \mathrm{d} \mathrm{x}$ ની કિમંત મેળવો.

  • [JEE MAIN 2020]
  • A

    $\frac{1}{2}\left\{f(1)+3 f\left(\frac{1}{2}\right)\right\}$

  • B

    $2\left\{3 f(1)+2 f\left(\frac{1}{2}\right)\right\}$

  • C

    $\frac{1}{6}\left\{f(0)+f(1)+4 f\left(\frac{1}{2}\right)\right\}$

  • D

    $\frac{1}{3}\left\{f(0)+f\left(\frac{1}{2}\right)\right\}$

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