let f(x)= ∫_x ^x^2 (dt/(lnt)) with x>0 and x≠1 1) prove that ∀ x>1 ∫_x ^x^2 ((xdt)/(tlnt)) ≤f(x)≤ ∫_x ^x^2 ((x^2 dt)/(tlnt)) after find lim


Question and Answers Forum

All Questions Topic List
Integration Questions
Previous in All Question Next in All Question
Previous in Integration Next in Integration
Question Number 32043 by abdo imad last updated on 18/Mar/18

$l e t f (x) = \int_{x}^{x^{2}} \frac{d t}{l n t} w i t h x > 0 a n d x \neq 1$ $1) p r o v e t h a t \forall x > 1 \int_{x}^{x^{2}} \frac{x d t}{t l n t} ⩽ f (x) ⩽ \int_{x}^{x^{2}} \frac{x^{2} d t}{t l n t} a f t e r$ $f i n d {l i m}_{x \to 1} f (x)$ $2) c a l c u l a t e f^{^{'}} (x) .$
Terms of Service
Privacy Policy
Contact: info@tinkutara.com

Question and Answers Forum