Monday, 20 October 2014

Special Properties of Infinity
∞ + ∞ = ∞
-∞ + -∞ = -∞
 
∞ × ∞ = ∞
-∞ × -∞ = ∞
-∞ × ∞ = -∞
 
x + ∞ = ∞
x + (-∞) = -∞
x - ∞ = -∞
x - (-∞) = ∞
 
For x>0 :
x × ∞ = ∞
x × (-∞) = -∞
For x<0 :
x × ∞ = -∞
x × (-∞) = ∞

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