MCQ
જો $\int_{}^{} {\frac{{dx}}{{1 + \sin x}} = \tan \left( {\frac{x}{2} + a} \right) + b} $, તો
- A$a = \frac{\pi }{4},\;b = 3$
- B$a = - \frac{\pi }{4},\;b = 3$
- C$a = \frac{\pi }{4},\;b = $ સ્વૈર અચળાંક
- ✓$a = - \frac{\pi }{4},\;b = $સ્વૈર અચળાંક
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