# How do you use sigma notation to write the sum for #1/2+2/4+6/8+24/16+120/32+720/64#?

The answer is

Therefore,

In this particular case, it is

where,

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The sum can be written in sigma notation as:

[ \sum_{n=1}^{6} \frac{n!}{2^{n}} ]

Where ( n! ) denotes the factorial of ( n ).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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