मान लीजिए $[x]$ महत्तम पूर्णांक फलन है। तो,$\int_{-1}^{1} [x+2[x+2[x]]] dx = $

  • A
    $0$
  • B
    $-5$
  • C
    $-7$
  • D
    $10$

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Difficult
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यदि $\cos x + \cos 2x + \ldots + \cos nx = \frac{A(x)}{2 \sin(x/2)}$ है,तो $\int_0^\pi A(x) dx =$

$\int_0^{1/2} \frac{x \sin^{-1} x}{\sqrt{1 - x^2}} \, dx = $

यदि $f(x) = \begin{cases} 2x^2 + 1, & x \leq 1 \\ 4x^3 - 1, & x > 1 \end{cases}$ है,तो $\int_{0}^{2} f(x) dx$ का मान ज्ञात कीजिए।

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