MCQ
જો $\int_{}^{} {(\sin 2x - \cos 2x)} \;dx = \frac{1}{{\sqrt 2 }}\sin (2x - a) + b$, તો
- A$a = \frac{\pi }{4},\;b = 0$
- B$a = - \frac{\pi }{4},\;b = 0$
- C$a = \frac{{5\pi }}{4},\;b = $ કોઈ પણ અચળાંક
- ✓$a = - \frac{{5\pi }}{4},\;b = $કોઈ પણ અચળાંક
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