Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (lokiando):

Easy question! Which is a sum of cubes? a) a^3 + 18 b) a^6 + 9 c) a^9 + 16 d) a^12 + 8

OpenStudy (anonymous):

do you know what a sum of cubes is?

OpenStudy (lokiando):

no

OpenStudy (anonymous):

-_- okay so google sum of cubes and find out

OpenStudy (lokiando):

OpenStudy (anonymous):

well done so basically apply that rule to all the answer choices and it should only work with one of them

OpenStudy (lokiando):

i will try

OpenStudy (lokiando):

d) a^12+8

OpenStudy (anonymous):

that's what i was thinking ;)

OpenStudy (anonymous):

not 100% sure though

OpenStudy (lokiando):

look http://www.wolframalpha.com/input/?i=x%5E5-125

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!