Recent content by janofano

Homework Statement Find the total power developed in the circuit (on the attached picture + table) Homework Equations P = IV P = -IV The Attempt at a Solution The answer supposed to be 770mW... (attempt to solve the problem - see attached spreadsheet) Can anybody help me to...

\int x^2\sqrt{9-x^2}dx apropo u=x^2\sqrt{9-x^2}dx

I know that I don't need that. But the problem is, I have to use it. The exercise require it.

[SOLVED] Integration with Trigonometric Substitution Homework Statement Given integral (I): I[(x)sqrt(9-x^2)dx] by words: Integral of "X" times square root of "9-X(squared) Use proper trigonometric substitution to solve this problem. Homework Equations The Attempt at a Solution