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May 25, 2013

Posted by Margie on Tuesday, August 19, 2008 at 8:41pm.

square root of 3 plus the cube root of 15

• math (radicals) - bobpursley, Tuesday, August 19, 2008 at 8:42pm

sqrt3 + sqrt15
sqrt3 + sqrt3*5
sqrt3 + sqrt3 *sqrt5
sqrt3(1+sqrt5)

• math (radicals) - Margie, Tuesday, August 19, 2008 at 8:55pm

but it's square root of 3 plus CUBE root of 15..
i dont think you can add a square root and a cube root together..

• math (radicals) - bobpursley, Tuesday, August 19, 2008 at 8:59pm

sorry, you are correct, I erred in reading it.

I dont see a common factor.

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