Sum using inversions. [closed]











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Can someone help me to find this sum ?



enter image description here










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closed as off-topic by mlc, Gibbs, Aloizio Macedo Nov 22 at 23:12


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 improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – mlc, Gibbs, Aloizio Macedo

If this question can be reworded to fit the rules in the help center, please edit the question.













  • Can you clarify the notations?
    – Mostafa Ayaz
    Nov 22 at 22:21















up vote
-2
down vote

favorite












Can someone help me to find this sum ?



enter image description here










share|cite|improve this question







New contributor




Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











closed as off-topic by mlc, Gibbs, Aloizio Macedo Nov 22 at 23:12


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 improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – mlc, Gibbs, Aloizio Macedo

If this question can be reworded to fit the rules in the help center, please edit the question.













  • Can you clarify the notations?
    – Mostafa Ayaz
    Nov 22 at 22:21













up vote
-2
down vote

favorite









up vote
-2
down vote

favorite











Can someone help me to find this sum ?



enter image description here










share|cite|improve this question







New contributor




Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











Can someone help me to find this sum ?



enter image description here







permutations






share|cite|improve this question







New contributor




Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|cite|improve this question







New contributor




Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|cite|improve this question




share|cite|improve this question






New contributor




Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked Nov 22 at 22:06









Adel Chakir

1




1




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Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Adel Chakir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




closed as off-topic by mlc, Gibbs, Aloizio Macedo Nov 22 at 23:12


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 improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – mlc, Gibbs, Aloizio Macedo

If this question can be reworded to fit the rules in the help center, please edit the question.




closed as off-topic by mlc, Gibbs, Aloizio Macedo Nov 22 at 23:12


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 improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – mlc, Gibbs, Aloizio Macedo

If this question can be reworded to fit the rules in the help center, please edit the question.












  • Can you clarify the notations?
    – Mostafa Ayaz
    Nov 22 at 22:21


















  • Can you clarify the notations?
    – Mostafa Ayaz
    Nov 22 at 22:21
















Can you clarify the notations?
– Mostafa Ayaz
Nov 22 at 22:21




Can you clarify the notations?
– Mostafa Ayaz
Nov 22 at 22:21















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