can someone please show how 2/5(sqrt(3)^5) = 18sqrt(3) / 5 thanks
May 18, 2008 #2 cristo Staff Emeritus Science Advisor 8,140 74 Can you write [tex]\sqrt{3}^5[/tex] as [itex]3^n[/itex] for some rational, n? I'm moving this to precalc HW forum.
Can you write [tex]\sqrt{3}^5[/tex] as [itex]3^n[/itex] for some rational, n? I'm moving this to precalc HW forum.
May 18, 2008 #3 alpha01 77 0 no, i can't find n. also, this isn't a homework or school related question. I can't see why a warning was necessary.
no, i can't find n. also, this isn't a homework or school related question. I can't see why a warning was necessary.
May 19, 2008 #5 CompuChip Science Advisor Homework Helper 4,309 49 alpha01 said: can someone please show how 2/5(sqrt(3)^5) = 18sqrt(3) / 5 thanks You can also go the other way around, and divide out as much common terms from both sides as possible. Then see if you can prove the remaining identity.
alpha01 said: can someone please show how 2/5(sqrt(3)^5) = 18sqrt(3) / 5 thanks You can also go the other way around, and divide out as much common terms from both sides as possible. Then see if you can prove the remaining identity.