solve for n and simplify the expression

Question

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998

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1. Solve for n in the equation bn= n + a

2. Simplify the expression x^2-y^2/x^2-2xy+y^2

Guest Jun 12, 2012

admin · Answer 1 · 2012-06-12T04:11:52

[input]solve( b*n= n + a, n)[/input]

b*n= n + a
b*n-n= a
n*(b-1)= a
n=a/(b-1)