+\frac{0\left( \beta -\alpha \right) }{n\pi }\sin \frac{\pi \left( 0-\alpha \right) }{\beta -\alpha }\left( 0+\sum_{j=0}^{n-0}\frac{\prod\limits_{k=0}^{n-j}\left[ k-0+\frac{0\left( \beta -\delta \right) }{\pi }\sin \frac{\pi \left( 0-\delta \right) }{\beta -\delta }\right] }{\left( n-j-0\right) !}\right) \