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The trinomial $\left(x^2-2x+1\right)$ is a perfect square trinomial, because it's discriminant is equal to zero
$\Delta=b^2-4ac=-2^2-4\left(1\right)\left(1\right) = 0$
Learn how to solve limits by rationalizing 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 rationalizing problems step by step online. Find the limit of ((x+4)(x^2-2x+1))/(2x^(1/2)-2) as x approaches 1. The trinomial \left(x^2-2x+1\right) is a perfect square trinomial, because it's discriminant is equal to zero. Using the perfect square trinomial formula. Factoring the perfect square trinomial. Factor the polynomial 2\sqrt{x}-2 by it's greatest common factor (GCF): 2.
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