MHB Solve Maths Sequences & Series - Get Passing Grade Now

ertagon2
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Can someone help me with these. These are the last 5 questions that I have to do and if I get them right I pass maths.
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ertagon2 said:
Can someone help me with these. These are the last 5 questions that I have to do and if I get them right I pass maths.
Do you mean to say you can't do 2 and 4?? What are the possible values for n? Do you know what an nth partial sum is?

Hint: 3 is a geometric ratio. What is the sum for this?

-Dan
 
If, as you appear to be saying, you know nothing at all about these problems, why should you pass maths?

The second problem asks you to find [math]\sum_{n=0}^4 (n-1)^2[/math]. Do you know what that means? If you do then this is a simple arithmetic problem. If you do not then you should Not pass maths!
 
I posted this question on math-stackexchange but apparently I asked something stupid and I was downvoted. I still don't have an answer to my question so I hope someone in here can help me or at least explain me why I am asking something stupid. I started studying Complex Analysis and came upon the following theorem which is a direct consequence of the Cauchy-Goursat theorem: Let ##f:D\to\mathbb{C}## be an anlytic function over a simply connected region ##D##. If ##a## and ##z## are part of...
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