English: $u_{1}(x,t) = \frac{1}{2}\left\lbrack f_{1}(x + ct) + f_{1}(x - ct) \right\rbrack + \frac{1}{2c}g_{1}(s)ds,\ \ \ \forall\ x \in R$ So what is my u(x,t)?
Telugu: $u_{1}(x,t) = \frac{1}{2}\లెఫ్ట్\lbrack f_{1}(x + ct) + f_{1}(x - ct) \కుడి\rbrack + \frac{1}{2c}g_{1}(s)ds,\ \ \foral\ x \in R$ అంటే ఏమిటి?