Recent content by Manarius

I think I must be misunderstanding what you're saying. Either that or I did the math wrong multiple times. Would you mind clarifying what exactly you mean? Thanks.

This is just a problem I came across while reviewing basic calculus. Homework Statement Find the limit as x approaches 0 of f(x)=(1/(x(x+1)^1/2)) - (1/x) Homework Equations The Attempt at a Solution My problem here is really more of an algebra problem than a calculus problem...

Yes, but it doesn't take you an hour to tell the one person. You tell 1 person. He tells 3 people (1 hour gone) They tell 9 people (2 hours gone) They tell 27 (3 hours gone) 81 (4 hours) 243 (5 hours) 729 (6 hours) 2187 (7 hours) It should be: 1+3+9+27+81+243+729+2187

1093 is the sum of the first six terms, plus one. Looks like the answer in the book is a mistake.