Logical Conclusion
July 16, 2008 by admin
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You cant argue with that. Except shouldnt it be minus infinity to start with ?
no
what a dumbass, I should tried to write this in my math tests just to see how the teacher reacts
ps :and it’s not minus infinity
um, as x approaches 8 from the left, the expression is always negative. As x gets close to 8 from the left, the value becomes extremely high, and negative, going to a limit of negative infinity. It approaches positive infinity as x approaches from the right, but this was not specified in the expression. And of course the expression is undefined at x=8. So, since I assume the default value would be for x approaching 8 from the left, why would the value not be negative infinity?
The result is beautiful in a way; One would have thought a marker with some sense of humour would have given a partial mark for original thinking. Actually, both expressions have no limit as x goes to “a”: (ie see Spivak, “Calculus”, Theorem 1)
please explain to me how this formula or equasion benefits the life of yourself or myself in the future, coz im not seeing any
technically infinity is signless.
um… the answer would be undefined. Although, the student’s answer is utterly brilliant.
it should be minus infinity… stupid teacher