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1. Prove the following limit. a) f(x)=x²+2x+6 where lim f (x)= 21 b) lim x-x+1=-5 x3 c) limx =8 x→2

1. Prove the following limit. a) f(x)=x²+2x+6 where lim f (x)= 21 b) lim x-x+1=-5 x3 c) limx =8 x→2

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Prove the limit using epsilon-delta proving method

1. Prove the following limit. a) f (x)=x²+2x+6 where lim f (x)= 21 x→3 2 b) lima x² -x+1=-5 x→3 c) lim x =8
Transcribed Image Text:1. Prove the following limit. a) f (x)=x²+2x+6 where lim f (x)= 21 x→3 2 b) lima x² -x+1=-5 x→3 c) lim x =8
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