Pythagorean theorem; a² + b² = c² BC is a leg = 6 AC is the hypotenuse = 25 AB is a leg = x The hypotenuse will always be c in the theorem equation. As for a and b it doesn't matter which leg you use. 6² + b² = 25² 36 + b² = 625 Subtract ...
Limit as x approaches 0 √5+x - √5/x
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