Expand x^(k+1)/(k+1) - (x-1)^(k+1)/(k+1)

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SUMMARY

The discussion focuses on expanding the expression x^(k+1)/(k+1) - (x-1)^(k+1)/(k+1) using the binomial theorem. The relevant equation provided is (a+b)^m = a^m + m a^(m-1)b + (mC2)a^(m-2)b^2 + ... + b^m. Participants confirm the correctness of the initial solution and suggest representing the expansion as a summation using the sigma notation (Σ) for clarity and conciseness.

PREREQUISITES
  • Understanding of binomial expansion
  • Familiarity with sigma notation (Σ)
  • Basic algebraic manipulation skills
  • Knowledge of combinatorial coefficients (mCk)
NEXT STEPS
  • Study the binomial theorem in detail
  • Learn how to apply sigma notation for series expansions
  • Explore combinatorial coefficients and their applications
  • Practice algebraic manipulation of polynomial expressions
USEFUL FOR

Students studying algebra, mathematics educators, and anyone looking to deepen their understanding of polynomial expansions and binomial coefficients.

nmego12345
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Homework Statement


Expand x(k+1)/(k+1) - (x-1)(k+1)/(k+1)

Homework Equations


(a+b)m = am + mam - 1b + (mℂ2)am - 2b2 + ... + bm[/B]

The Attempt at a Solution


Here is my solution, I would like to know if it's correct or not

I have the solution in an attached image
 

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nmego12345 said:

Homework Statement


Expand x(k+1)/(k+1) - (x-1)(k+1)/(k+1)

Homework Equations


(a+b)m = am + mam - 1b + (mℂ2)am - 2b2 + ... + bm[/B]

The Attempt at a Solution


Here is my solution, I would like to know if it's correct or not

I have the solution in an attached image
Looks right. Might be better to write it as a sum over an index, i.e. using Σ.
 

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