$a > 1, \; \int_{1}^{a} [x] f'(x) dx = $

  • A
    $a f(a) - \{f(1) + f(2) + \dots + f([a])\}$
  • B
    $[a] f(a) - \{f(1) + f(2) + \dots + f([a])\}$
  • C
    $[a] f([a]) - \{f(1) + f(2) + \dots + f(a)\}$
  • D
    $a f([a]) - \{f(1) + f(2) + \dots + f(a)\}$

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$f(x) = \begin{cases} x^2, & 0 \leq x < 1 \\ \sqrt{x}, & 1 \leq x \leq 2 \end{cases} \implies \int_0^2 f(x) \, dx = ?$

સંકલન $\int_{1}^{3} [x^{2}-2x-2] dx$ નું મૂલ્ય શોધો,જ્યાં $[x]$ એ મહત્તમ પૂર્ણાંક વિધેય દર્શાવે છે:

$\int_{-2}^3 |1-x^2| dx =$

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