Question 62909
(2(1/3) a(-1/4) b(2/5)) (2(2/3) a(1/4) b(2/5))  write answers with positive exponents only
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= [2^(1/3)*2^(2/3)]*[(a^(-1/4)*a^(1/4)]*[b^(2/5)*b^(2/5)]
=[2^1]*[a^(0)]*[b^(4/5)]
=2*1*b^(4/5)
=2b^(4/5)
Cheers,
Stan H.