Express as a single log and simplify, if possible:

logb (b is the subscript)

1. logb (x ^3 + y^3) - logb (x+y) =

Expand:

1. logb (x+1)^3 / y^3 =

PLEASE HELP!

Question

Express as a single log and simplify, if possible:

logb (b is the subscript) 

1. logb (x ^3 + y^3) - logb (x+y) =

Expand:

1. logb (x+1)^3 / y^3 =

PLEASE HELP!

anonymous · Answer

$$\log _{b} (x ^3 + y^3) - \log _{b} (x+y) $$

hartnn · Answer

log A + log B = log AB

hartnn · Answer

log A - log B = log A/B

anonymous · Answer

$$\frac{ \log_{a} (x + 1) ^{3} + x }{ y^{3} }$$

hartnn · Answer

log A - log B = log A/B
so whats 
logb (x ^3 + y^3) - logb (x+y) =.. ?

anonymous · Answer

@hartnn yes, we just had it in class but i don't know what to do with this one. :(

anonymous · Answer

$$\frac{ logb(x+y)(x^2-xy+y^2) }{logb(x+y) }$$

anonymous · Answer

can you do from there?

anonymous · Answer

@hartnn if i have to factor it out, i'd get $$ \log _{b} x^{2} - xy + y^{2} $$

anonymous · Answer

@winterfez yes. and then what? i'm stuck right there. :)

hartnn · Answer

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did u get this ?