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January 27, 2015

January 27, 2015

Posted by **Donna** on Sunday, May 11, 2008 at 11:12pm.

a) (4 + 3y^2)/(9xy^2 + 20y)

b) (4 - 3y^2)/(9xy^2 - 20y)

c) (3 + 4y^2)/(20xy^2 + 9y)

d) (3 - 4y^2)/(20xy^2 - 9y)

- mathematics -
**Reiny**, Sunday, May 11, 2008 at 11:27pmwhy don't you show us some of the steps you would need to arrive at the correct answer of b) ?

- mathematics -
**Anonymous**, Tuesday, May 13, 2008 at 2:44am3y^3+9xy^2*y'-4£½20y*y'

y'=b)

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