Suppose that . Find (moved from urgent and fixed) oh man I really need help on this one.
Follow Math Help Forum on Facebook and Google+
Originally Posted by pseizure2000 Suppose that . Find (moved from urgent and fixed) oh man I really need help on this one. I know the thread says solved, but i'll do it anyway so you can check.
Originally Posted by janvdl I know the thread says solved, but i'll do it anyway so you can check. But (a +b)^(1/2) is not equal to a^(1/2) +b^(1/2) Or more specifically, (6 +(8x)^(1/2))^(1/2) is not 6^(1/2) +(8x)^(1/4) Example, (4 +sqrt(81))^(1/2) is not 4^(1/2) +(81)^(1/4) = 2 +3 = 5 (4 +sqrt(81))^(1/2) = (4 +9)^(1/2) = sqrt(13) ----------------------not 5.
Originally Posted by pseizure2000 Suppose that . Find (moved from urgent and fixed) oh man I really need help on this one. Write this as: Now use the chain rule: -Dan
Mmm... see here.
View Tag Cloud