- #1

cwz

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## Homework Statement

Prove using ε/δ definition,

lim x tends to -1 (x^3+2x^2) = 1

## Homework Equations

## The Attempt at a Solution

I have done to the step where δ(δ^2-δ-1) ≤ δ ≤ ε

so i choose ε=min(2,ε)

Not sure whether I am correct or not