SOLUTION: [n(sigma)r=1]{{{1/(r(r+2))}}}=[n(sigma)r=1]{{{(1/2)((1/r)-(1/(r+2)))}}}
={{{(1/2)((1/1)+(1/2)-(1/(n+1))-(1/(n+2))))}}}
Please show me more detailed steps, especially between the
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Question 1035284: [n(sigma)r=1]=[n(sigma)r=1]
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Please show me more detailed steps, especially between the last two steps.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
This is what you call a telescoping series.
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