# algebra

^440 squareroot (a+b)^440

add. squareroot 7a + 4 squareroot 28a^3
?

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1. sqrt(7a) + 4 sqrt(28a^3)
=sqrt (7a) + 4 sqrt(4a^2*7a)
=sqrt(7a) + (4*2a)sqrt*7a)
= (1 + 8a) * sqrt(7a)

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2. 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 even-numbered power,

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