If \( y=\int_{u(x)}^{v(x)} f(t) d t \), let us define \( \frac{d y}... VIDEO
If \( y=\int_{u(x)}^{v(x)} f(t) d t \), let us define \( \frac{d y}{d x} \) in a different manner as \( \frac{d y}{d x}=v^{\prime}(x) f^{2}(v(x))-u^{\prime}(x) f^{2}(u(x)) \) and the equation of the tangent at \( (a, b) \) as \( y-b=\left(\frac{d y}{d x}\right)_{(a, b)}(x-a) \)https://bit.ly/YTAI_PWAP https://www.pw.live/
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