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line 1: 1/2 - 1/3 = 1/6
line 2: 1/3 - 1/4 = 1/12
line 3: 1/4 - 1/5 = 1/20
Write an algerbraic expression to find the nth line
line N: (1/(1+N)) - (1/(2+N)) = 1/((1.5+N)^2-(1/4))
igloo myrtilles fourmis
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How 'bout:
Line n: 1/(n+1) - 1/(n+2) = 1/(n+1)(n+2)
= 1/(n^2+3n+2)
"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted"
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