$\int_{\frac{\pi}{4}}^{\frac{3\pi}{4}} \frac{dx}{1 + \cos x} = \dots$

  • A
    $-1$
  • B
    $-2$
  • C
    $2$
  • D
    $4$

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જો $f(x) = \int\limits_1^x \frac{\ln t}{1 + t} dt$ જ્યાં $x > 0$ હોય,તો સમીકરણ $f(x) + f(1/x) = 0$ નું સમાધાન કરતી $x$ ની કિંમત(ઓ) કઈ છે?

Difficult
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$\int_{0}^{\frac{\pi}{2}}\left(e^{\sin x}-e^{\cos x}\right) d x=$

જો $\int_0^{\pi / 2} \tan ^{14}\left(\frac{x}{2}\right) d x=2\left[\sum_{n=1}^7 f(n)-\frac{\pi}{4}\right]$ હોય, તો $f(n)=$

$\int_{-2}^{2}\left|3 x^{2}-3 x-6\right| d x$ નું મૂલ્ય ...... છે.

જો $[.]$ એ મહત્તમ પૂર્ણાંક વિધેય દર્શાવતું હોય,તો $\int_0^{1000} e^{x-[x]} dx=$

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