$\int_0^{\pi /2} \frac{\sin x}{\sin x + \cos x} \, dx$ का मान ज्ञात कीजिए।

  • A
    $\frac{\pi }{2}$
  • B
    $\frac{\pi }{3}$
  • C
    $\frac{\pi }{4}$
  • D
    $\frac{\pi }{6}$

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$m, n \in \mathbb{Z}$ के लिए $\int_0^{2 \pi} \cos m x \cos n x \, dx + \int_{-\pi}^\pi \sin m x \cos n x \, dx$ का मान ज्ञात कीजिए।

माना $I = \int_{0}^{100 \pi} \sqrt{1 - \cos 2x} \, dx$, तो

यदि $I$ निम्नलिखित निश्चित समाकलों में सबसे बड़ा है
${I_1} = \int_0^1 {{e^{ - x}}{{\cos }^2}x\,dx} , \,\, {I_2} = \int_0^1 {{e^{ - {x^2}}}} {\cos ^2}x\,dx$
${I_3} = \int_0^1 {{e^{ - {x^2}}}dx} ,\,\,{I_4} = \int_0^1 {{e^{ - {x^2}/2}}dx} ,$ तो

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$\int_1^3 \sqrt{3 + x^3} \,dx$ का मान किस अंतराल में स्थित है?

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