SOLUTION: root b - 2b^-3 divided by 4b^2

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Question 1071966: root b - 2b^-3 divided by 4b^2
Answer by MaxWong(38) About Me  (Show Source):
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(sqrt(b) - 2b^(-3))/4b^2
=(b^(1/2)/(4b^2))-(2b^(-3))/(4b^2)
=(1/(4bsqrt(b)))-1/(2b^5)