Friday

April 18, 2014

April 18, 2014

Posted by **Sarah** on Friday, August 17, 2007 at 9:48pm.

sqrt32a^8b + sqrt50a^16b

Are the exponents 8b and 16b or 8 and 16?

I'll assume they are 8a and 16a

sqrt 32 = sqrt (16*2) = 4 sqrt 2

sqrt 50 = sqrt (25*2) = 5 sqrt 2

sqrt32 a^(3b) + sqrt50a^(2b)

= sqrt2*a^(8b)[4 + 5(a^8b)]

There are many ways to write it, but this is one of the shorter ones)

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