Pascal in Action

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Across
  1. 2. Coefficient of x^1 in (1+x)^{47}
  2. 5. The process of writing out powers of a binomial.
  3. 7. Product of all positive integers up to a given number.
  4. 8. The power to which a number or expression is raised.
  5. 9. Coefficient of x^2 in (1+x)^6
  6. 11. Mathematician known for the triangle of numbers.
  7. 12. Expression that contains two separate terms.
Down
  1. 1. The number that multiplies a variable in an expression.
  2. 3. The geometric figure formed by Pascal’s pattern.
  3. 4. Way of selecting items where order doesn’t matter.
  4. 6. Product of all positive integers up to n.
  5. 10. Coefficient of x^1 in (1+x)^{86}