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Mathematics 12 Online
OpenStudy (anonymous):

Answer in the simplest form.

OpenStudy (anonymous):

|dw:1348482400357:dw|

OpenStudy (anonymous):

the expression is not clear to me

OpenStudy (anonymous):

The denominator is what I am talking of

hartnn (hartnn):

u tried ? are u stuck? its only using these : (x^a)^b=x^(ab) (x^a)/x^b=x^{a-b}

OpenStudy (anonymous):

the prob is i need the answer within 2 terms only

OpenStudy (anonymous):

There are 3 variables involved here. How can we get it within 2 terms only?

hartnn (hartnn):

i was seeing whether x gets cancelled, but it won't....so all 3 variables will be there, x,y,z

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

are the 1/2 and 2 exponents in the denominator?

OpenStudy (anonymous):

but the answer is needed in 2 terms and it may be factorized.

OpenStudy (anonymous):

I will be happy if you can write the expression out clearly for us

OpenStudy (anonymous):

aite...but i might take some time

OpenStudy (anonymous):

this is the final step..... n i cant solve it\[\frac{ 81x ^{9} \times \sqrt{2187z ^{7}} }{405 }\]

hartnn (hartnn):

81*5=405 but how did y got eliminated ?

OpenStudy (anonymous):

its 405 y...

hartnn (hartnn):

is that ...1.75]^2 ?? in numerator ?

OpenStudy (anonymous):

yup

hartnn (hartnn):

i think your expression is just fine, only 2187 can be written as 3^7 so 3^3z^3 comes out and root(3z) remains. cannot be simplified further...

OpenStudy (anonymous):

ok

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