Posted by reuben on Saturday, March 1, 2008 at 8:23pm.
^440 squareroot (a+b)^440
my answer: a+b
add. squareroot 7a + 4 squareroot 28a^3
?

algebra (#2 of 2)  drwls, Saturday, March 1, 2008 at 10:58pm
sqrt(7a) + 4 sqrt(28a^3)
=sqrt (7a) + 4 sqrt(4a^2*7a)
=sqrt(7a) + (4*2a)sqrt*7a)
= (1 + 8a) * sqrt(7a)

algebra (#1 of 2)  drwls, Sunday, March 2, 2008 at 8:44am
The meaning of what you wrote is unclear. If you meant the 440th root of (a+b)^440, then the answer is a + b. Since this is an evennumbered power,
ab is also an answer.
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