In discrete mathematics topic Generating functions. [on hold]
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Find the coefficient of x^20 in $$frac{1}{(1+x)(1-x)^3}$$
How to solve sum of r=0 to r=20 in equation
$$sum_{r=0}^{20} (-1)^r*(r+2)*(r+1)$$
discrete-mathematics
asked yesterday
Shubham Pradhan
11
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put on hold as off-topic by Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John yesterday
This question appears to be off-topic. The users who voted to close gave this specific reason:
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If this question can be reworded to fit the rules in the help center, please edit the question.
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-1
Find the coefficient of x^20 in $$frac{1}{(1+x)(1-x)^3}$$
How to solve sum of r=0 to r=20 in equation
$$sum_{r=0}^{20} (-1)^r*(r+2)*(r+1)$$
discrete-mathematics
asked yesterday
Shubham Pradhan
11
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
put on hold as off-topic by Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John yesterday
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John
If this question can be reworded to fit the rules in the help center, please edit the question.
Find the coefficient of $x^{20}$ ... in what?
– Lord Shark the Unknown
yesterday
(1/(1+x))*(1/(1-x)^3) @LordSharktheUnknown
– Shubham Pradhan
yesterday
The generic answer to your first question is "partial fractions". Please see math.meta.stackexchange.com/questions/5020 to improve formatting.
– Lord Shark the Unknown
yesterday
You should use Mathjax to write equations instead of posting an image.
– harshit54
yesterday
For the second question, break the sum up into its positive and negative terms first and sum them individually.
– Laars Helenius
yesterday
|
show 1 more comment
-1
-1
-1
Find the coefficient of x^20 in $$frac{1}{(1+x)(1-x)^3}$$
How to solve sum of r=0 to r=20 in equation
$$sum_{r=0}^{20} (-1)^r*(r+2)*(r+1)$$
discrete-mathematics
asked yesterday
Shubham Pradhan
11
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Find the coefficient of x^20 in $$frac{1}{(1+x)(1-x)^3}$$
How to solve sum of r=0 to r=20 in equation
$$sum_{r=0}^{20} (-1)^r*(r+2)*(r+1)$$
discrete-mathematics
discrete-mathematics
asked yesterday
Shubham Pradhan
11
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
Shubham Pradhan
11
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
asked yesterday
Shubham Pradhan
11
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
Shubham Pradhan
11
asked yesterday
Shubham Pradhan
11
11
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Shubham Pradhan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
put on hold as off-topic by Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John yesterday
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John
If this question can be reworded to fit the rules in the help center, please edit the question.
put on hold as off-topic by Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John yesterday
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Antonios-Alexandros Robotis, Travis, KM101, Saad, Foobaz John
If this question can be reworded to fit the rules in the help center, please edit the question.
Find the coefficient of $x^{20}$ ... in what?
– Lord Shark the Unknown
yesterday
(1/(1+x))*(1/(1-x)^3) @LordSharktheUnknown
– Shubham Pradhan
yesterday
The generic answer to your first question is "partial fractions". Please see math.meta.stackexchange.com/questions/5020 to improve formatting.
– Lord Shark the Unknown
yesterday
You should use Mathjax to write equations instead of posting an image.
– harshit54
yesterday
For the second question, break the sum up into its positive and negative terms first and sum them individually.
– Laars Helenius
yesterday
|
show 1 more comment
Find the coefficient of $x^{20}$ ... in what?
– Lord Shark the Unknown
yesterday
(1/(1+x))*(1/(1-x)^3) @LordSharktheUnknown
– Shubham Pradhan
yesterday
The generic answer to your first question is "partial fractions". Please see math.meta.stackexchange.com/questions/5020 to improve formatting.
– Lord Shark the Unknown
yesterday
You should use Mathjax to write equations instead of posting an image.
– harshit54
yesterday
For the second question, break the sum up into its positive and negative terms first and sum them individually.
– Laars Helenius
yesterday
Find the coefficient of $x^{20}$ ... in what?
– Lord Shark the Unknown
yesterday
Find the coefficient of $x^{20}$ ... in what?
– Lord Shark the Unknown
yesterday
(1/(1+x))*(1/(1-x)^3) @LordSharktheUnknown
– Shubham Pradhan
yesterday
(1/(1+x))*(1/(1-x)^3) @LordSharktheUnknown
– Shubham Pradhan
yesterday
The generic answer to your first question is "partial fractions". Please see math.meta.stackexchange.com/questions/5020 to improve formatting.
– Lord Shark the Unknown
yesterday
The generic answer to your first question is "partial fractions". Please see math.meta.stackexchange.com/questions/5020 to improve formatting.
– Lord Shark the Unknown
yesterday
You should use Mathjax to write equations instead of posting an image.
– harshit54
yesterday
You should use Mathjax to write equations instead of posting an image.
– harshit54
yesterday
For the second question, break the sum up into its positive and negative terms first and sum them individually.
– Laars Helenius
yesterday
For the second question, break the sum up into its positive and negative terms first and sum them individually.
– Laars Helenius
yesterday
|
show 1 more comment
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Find the coefficient of $x^{20}$ ... in what?
– Lord Shark the Unknown
yesterday
(1/(1+x))*(1/(1-x)^3) @LordSharktheUnknown
– Shubham Pradhan
yesterday
The generic answer to your first question is "partial fractions". Please see math.meta.stackexchange.com/questions/5020 to improve formatting.
– Lord Shark the Unknown
yesterday
You should use Mathjax to write equations instead of posting an image.
– harshit54
yesterday
For the second question, break the sum up into its positive and negative terms first and sum them individually.
– Laars Helenius
yesterday