The making of the video e

[manla]

Always love to learn maths from you. You have the magic to turn difficult concepts be so easy as if effortless.

[DS-xhfd]

Two mistakes at 11:43. First, the sign on n!/3! should be negative, not positive. Second, the final term is missing an n! in the numerator.

[danielbenyair]

"Log(x^n)=nLog(x)" is NOT ALWAYS
If x is negative and n is a number that can be divided by two then we get ERROR only in one SIDE!!!!