- #1
nameVoid
- 241
- 0
sum(1/(n(n^2-1)^(1/2)),n=2,infinity)
first derivative <0 for x>=2
I(1/(x(x^2-1)^(1/2)),x,2,infinity)
x=secT, dx=secTtanT
I(secTtanT/(secTtanT),T) ?
first derivative <0 for x>=2
I(1/(x(x^2-1)^(1/2)),x,2,infinity)
x=secT, dx=secTtanT
I(secTtanT/(secTtanT),T) ?
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