Math Help - Sup & inf - riemann integral

1. Sup & inf - riemann integral

another simple question im stuck

please see in the attached file : )

i dont now how to get... the infimum = 1 - 1/n ?? i thought this should be 0 ?

like the supremum = 1 , this makes sense , but the infimum is 0 to me

; )

/edits

ugh sorry, the second equation is meant to be m(i) (small m)

2. Originally Posted by matlabnoob
another simple question im stuck

please see in the attached file : )

i dont now how to get... the infimum = 1 - 1/n ?? i thought this should be 0 ?

like the supremum = 1 , this makes sense , but the infimum is 0 to me