Questions asked by Alvin L.

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• Does the possessive pronoun form of "it" have an apostrophe in it?
  
• Is it possible to for an integral in the form #int_a^oo f(x)\ dx#, and #lim_(x->oo)f(x)!=0#, to still be convergent?
  
• Is there any way to get the U+225F ≟ questioned equals sign in math formatting?