यदि सभी वास्तविक त्रिक $(a, b, c)$ के लिए,$f(x) = a + bx + cx^2$ है,तो $\int_{0}^{1} f(x) dx$ का मान क्या होगा?

  • A
    $\frac{1}{2} \{f(1) + 3f(\frac{1}{2})\}$
  • B
    $2 \{3f(1) + 2f(\frac{1}{2})\}$
  • C
    $\frac{1}{6} \{f(0) + f(1) + 4f(\frac{1}{2})\}$
  • D
    $\frac{1}{3} \{f(0) + f(\frac{1}{2})\}$

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