Recent content by sebastianbravom

thank you so much for that hint it really cleared everything! the web pages kept talking aobut limitations...i remebered now! thanks

Homework Statement Consider the following infinite geometric series: 1 + (2x/3) + (2x/3)^2 + (2x/3)^3 + ... for what values of x does the series converge? Homework Equations i don't know what converge means, i guessed it was for what vlaues does the geometric series is infinite but...

Homework Statement in how many different ways can 7 different books be arranged in a row if a. 3 specified books must be together, b. two specified boks mus occupy both ends Homework Equations i don't udnerstand wether it is a permutation or a combination. The Attempt at a...