Polynomials and Rational Expressions Question
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Grade 11 Polynomials and Rational Expressions CCSS: HSA-APR.C.5
For the expansion of [math](x+y)^n[/math], the coefficient of the term [math]x^k y^(n-k)[/math] represents which of the following?
- The number of distinct sequences of k x’s and (n-k) y’s
- The sum of the exponents
- The number of ways to choose k positions for x out of n positions
- The combination value [math]((n), (k))[/math]
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