Arithmetic progression homework

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SUMMARY

The discussion centers around solving a homework problem related to arithmetic progression, specifically focusing on the formula Sn=3n² + 4n. Participants provided hints for calculating the first two terms, S1 and S2, resulting in values of 7 and 20 respectively. The problem emphasizes understanding the application of the arithmetic series formula in practical scenarios.

PREREQUISITES
  • Understanding of arithmetic progression concepts
  • Familiarity with polynomial expressions
  • Basic algebraic manipulation skills
  • Knowledge of summation notation
NEXT STEPS
  • Study the derivation of the arithmetic series formula
  • Practice solving problems involving polynomial sequences
  • Explore the implications of different coefficients in series equations
  • Learn about advanced summation techniques and their applications
USEFUL FOR

Students studying mathematics, particularly those focusing on sequences and series, as well as educators looking for examples to illustrate arithmetic progression concepts.

Michael_Light
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Homework Statement



Need help with number (9)..
DSC00560.jpg


Homework Equations





The Attempt at a Solution



Can anyone give me some hints? Thanks.
 
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Think. Subtract.
 


Sn=3n2 + 4n
Hint:
S1=3+4=7
S2=12+8=20
 

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