![Rishit Dagli on Twitter: "Feynman's trick (or more accurately Leibniz rule) requires light assumptions that f(x, t) is a continuous and a continuously differentiable function (you can find partial derivative) and states Rishit Dagli on Twitter: "Feynman's trick (or more accurately Leibniz rule) requires light assumptions that f(x, t) is a continuous and a continuously differentiable function (you can find partial derivative) and states](https://pbs.twimg.com/media/FDwgm6gVUAY4Elr.png:large)
Rishit Dagli on Twitter: "Feynman's trick (or more accurately Leibniz rule) requires light assumptions that f(x, t) is a continuous and a continuously differentiable function (you can find partial derivative) and states
![Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise](https://miro.medium.com/v2/resize:fit:534/1*JNWTWN-Nue70bUewmUhjZQ.png)
Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise
![Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise](https://miro.medium.com/v2/resize:fit:1028/1*7dokKn8R5VcW-XUE_Qqk_w.png)
Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise
![MathType on Twitter: "Richard Feynman is regarded as one of the greatest physicists of all time. A curious story is that of the Feynman Trick: At around 15, he told himself #DifferentialCalculus. MathType on Twitter: "Richard Feynman is regarded as one of the greatest physicists of all time. A curious story is that of the Feynman Trick: At around 15, he told himself #DifferentialCalculus.](https://pbs.twimg.com/media/EJLlNfBXsAImuwT.jpg:large)
MathType on Twitter: "Richard Feynman is regarded as one of the greatest physicists of all time. A curious story is that of the Feynman Trick: At around 15, he told himself #DifferentialCalculus.
![Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise](https://miro.medium.com/v2/resize:fit:1012/1*Kc9EjbhAARAm1uUnGW16Iw.png)
Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise
![Rishit Dagli on Twitter: "Here's a simple example from my class where we try to integrate (t^3 - 1) / ln(t) from 0 to 1 Using the Feynman trick here makes this Rishit Dagli on Twitter: "Here's a simple example from my class where we try to integrate (t^3 - 1) / ln(t) from 0 to 1 Using the Feynman trick here makes this](https://pbs.twimg.com/media/FDwheamXoAIYZlO.png:large)
Rishit Dagli on Twitter: "Here's a simple example from my class where we try to integrate (t^3 - 1) / ln(t) from 0 to 1 Using the Feynman trick here makes this
What is a fun integral that you would like to see in a book on integration techniques, no solution necessary? - Quora
![A beautiful result in calculus: Solution using Feynman integration ( Integral cos(x)/(x^2+1) ) - YouTube A beautiful result in calculus: Solution using Feynman integration ( Integral cos(x)/(x^2+1) ) - YouTube](https://i.ytimg.com/vi/S9LttmTD_14/maxresdefault.jpg)
A beautiful result in calculus: Solution using Feynman integration ( Integral cos(x)/(x^2+1) ) - YouTube
![Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise Richard Feynman's Integral Trick. An obscure but powerful integration… | by Panda the Red | Cantor's Paradise](https://miro.medium.com/v2/resize:fit:1164/1*H9B1PPiCp-crvg_8AlYnZw.png)