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Can anyone please explain me sand which theorm ??
MZk
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It is utilized such that limit f(x) is between two numbers.. and multiplied by another function to obtain another one.. we see the limit and see that f(x) is compressed into a number, which must be the limit
Graphically it looks quite elegant..
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Means ?
MZk
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Roughly speaking if you know that your function (the blue line)stays between the green and the red line and you know that the limit at the point you are interested in for the red line is n and for the green line is n then the limit for your function at a is also n.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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??
MZk
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What do you not understand?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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sandwich theorem tells us that, since its upper and lower bounds tend to the same limit, then so too must the function in the middle.
What is boundary and what is middle
MZk
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The upper bound is the term on the right-hand side of the inequality, the lower bound is the term on the left-hand side. The middle is what goes between them.
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So if it is sin○\○ eq 1
MZk
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Yes, sin is bounded below by -1 and bounded above by 1.
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Hmm!,
MZk
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Yes, sin is bounded below by -1 and bounded above by 1.
So why it equals to 1???.
MZk
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Since the limit of -x^2 as x approaches 0 is 0 and the limit of x^2 as x approaches 0 is 0 and
stays between them, the limit of it as x approaches 0 is also 0.Intuitively we can understand by the following drawing that Mathegocart provided:
If your function the green line always stays between the red and the blue line, then as the red and the blue line get closer together the green line gets sandwiched in between.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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