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anonymous
 4 years ago
1/64m^3+n^3
Factor the following expression
please please help (it my last set of prob. on my hw)
anonymous
 4 years ago
1/64m^3+n^3 Factor the following expression please please help (it my last set of prob. on my hw)

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0you have the sum of two cubes 1/4 m and n are the two cubes. Do you know the formula for sum of cubes?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[a^3+b^3=(a+b)(a^2ab+b^2)\] and in this case a=1/4m and b=n

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01/4m or 1/64?? i am not seeing where u get 1/4??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0the cube root of 1/64 is 1/4 \[(1/4)^3 = 1/64\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0if you type your answer, I will let you know if you are correct!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01/4^3+n^2=(1/4^3+n)(1/4^2+1/4n+n^2)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0what happened to m :( (1/4 m+n)(1/16 m^21/4mn+n^2) a=1/4 m b=n a^2 = 1/16m^2 ab = 1/4 mn b^2 = n^2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0thanks. I realize my mistake when i see them so that is good. I am in a struggle with this math class this sem. I keep frogeting simple things.Thanks for your help.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0practice and you will get better!!!! Smart choice choosing to come here!
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