let f be the function defined on [−1,1] by f(x)={ { ((−1,if x is rational)),((1,if x is irrational.)) :} find U(P,f) and L(P,f).f is integrable or not ?


Question and Answers Forum

All Questions Topic List
Others Questions
Previous in All Question Next in All Question
Previous in Others Next in Others
Question Number 25635 by rita1608 last updated on 12/Dec/17

$l e t f b e t h e f u n c t i o n d e f i n e d o n$ $[- 1, 1] b y$ $f (x) = {{\begin{cases} - 1, i f x i s r a t i o n a l \\ 1, i f x i s i r r a t i o n a l . \end{cases}$ $f i n d U (P, f) a n d L (P, f) . f i s i n t e g r a b l e$ $o r n o t ?$
Commented by rita1608 last updated on 12/Dec/17

$p l s s s o l v e t h i s$
Terms of Service
Privacy Policy
Contact: info@tinkutara.com

Question and Answers Forum