$\frac{d}{dx}(x^{2x}) = কত?$ Jessore • 2023 ক $2x \cdot x^{2x-1}$ খ $\frac{x^{2x+1}}{2x+1}$ গ $x^x (1 + \ln 2x)$ ঘ $x^{2x} (2 + 2 \ln x)$