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Posted: **Wed Jul 06, 2022 12:05 pm**

: Let F Dr And Let C Be An Accumulation Point Of D Suppose That Lim F X L X C And L 0 L 0 Prove That There Is A N 1 (10.69 KiB) Viewed 10 times

Let f: DR and let c be an accumulation point of D. Suppose that lim f(x) = L X-C and L> 0 (L<0). Prove that there is a number 8 >0 such that f(x) > 0 (f(x) < 0) for all ED with 0<- c < 8.