(Q15.) Sample 3 GCC Math 101/120 Common Final Intermediate Algebra | Summary and Q&A

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December 15, 2013
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(Q15.) Sample 3 GCC Math 101/120 Common Final Intermediate Algebra

TL;DR

Learn how to use the binomial expansion formula to find specific terms in an expansion.

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Questions & Answers

Q: What is the binomial expansion formula?

The binomial expansion formula is used to expand expressions of the form (a + b)^n, where n is a positive integer.

Q: Do I need to memorize the formula?

It's not necessary to memorize the formula itself, but it's important to understand the procedure for using it.

Q: How can a calculator help with binomial expansion?

Calculators with an "NCR" or "nCr" function can easily calculate binomial coefficients, making the calculations faster and more accurate.

Q: How do I find a specific term in the expansion?

To find a specific term, determine its position in the expansion by subtracting 1 from the desired term number. Then, use the binomial coefficient and the appropriate powers of the terms involved.

Summary & Key Takeaways

  • The content explains the binomial expansion formula and how to apply it using a calculator.

  • The procedure involves writing down the binomial coefficients and the powers of each term.

  • Calculation of specific terms requires understanding how the exponents and coefficients correspond.

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