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The trinomial $x^2+2x+1$ is a perfect square trinomial, because it's discriminant is equal to zero
Learn how to solve limits by direct substitution problems step by step online.
$\Delta=b^2-4ac=2^2-4\left(1\right)\left(1\right) = 0$
Learn how to solve limits by direct substitution problems step by step online. Find the limit (x)->(-1)lim((x^2+2x+1)/(x+1)). The trinomial x^2+2x+1 is a perfect square trinomial, because it's discriminant is equal to zero. Using the perfect square trinomial formula. Factoring the perfect square trinomial. Simplify the fraction \frac{\left(x+1\right)^{2}}{x+1} by x+1.