Let \( g(t)=\int_{x_{1}}^{x_{2}} f(t, x) d x \). Then \( g^{\prime}... VIDEO
Let \( g(t)=\int_{x_{1}}^{x_{2}} f(t, x) d x \). Then \( g^{\prime}(t)=\int_{x_{1}}^{x_{2}} \frac{\partial}{\partial t}(f(t, x)) d x \). Consider \( f(x)=\int_{0}^{2} \frac{\ln (1+x \cos \theta)}{\cos \theta} d \theta \).https://bit.ly/YTAI_PWAP https://www.pw.live/
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