Final answer to the problem
Step-by-step Solution
Learn how to solve limits by rationalizing problems step by step online. Find the limit of (2x^2+4)^(1/2)-(5x^2-5)^(1/2) as x approaches -infinity. Factor the polynomial 2x^2+4 by it's greatest common factor (GCF): 2. The power of a product is equal to the product of it's factors raised to the same power. Factor the polynomial 5x^2-5 by it's greatest common factor (GCF): 5. The power of a product is equal to the product of it's factors raised to the same power.