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$\int_0^{\pi /2} |\sin x - \cos x| \, dx = $

यदि $h(a) = h(b)$ है,तो समाकलन $\int_a^b {[f(g(h(x)))]^{-1} f'(g(h(x))) \cdot g'(h(x)) \cdot h'(x) \, dx} = $ का मान ज्ञात कीजिए।

मान लीजिए $L = \sqrt[3]{2012} + \sqrt[3]{2013} + \ldots + \sqrt[3]{3011}$,$R = \sqrt[3]{2013} + \sqrt[3]{2014} + \ldots + \sqrt[3]{3012}$,और $I = \int_{2012}^{3012} \sqrt[3]{x} \, dx$. तब,

समाकल का मान ज्ञात कीजिए: $\int_{-1}^{1} \left[ \sqrt{1+x+x^{2}} - \sqrt{1-x+x^{2}} \right] dx$

यदि $I = \frac{2}{\pi} \int_{-\pi / 4}^{\pi / 4} \frac{dx}{(1 + e^{\sin x})(2 - \cos 2x)}$ है,तो $27 I^2$ का मान . . . . . . . . है।

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