# a) Why doesn’t the idea of “any number minus itself is 0” apply to the situation of ∞ − ∞? (b) Explain what ∞ − ∞ means in the context of limits.  (c) Assuming the limit exists, what could the result of an ∞ − ∞ limit be and how do you know?

Question

a) Why doesn’t the idea of “any number minus itself is 0” apply to the situation of ∞ − ∞?

(b) Explain what ∞ − ∞ means in the context of limits.

(c) Assuming the limit exists, what could the result of an ∞ − ∞ limit be and how do you know?