Problem #PRU-60416

Problems Algebra Algebraic equations and systems of equations Higher order equations. Palindromic polynomial equations Equations of higher order (other) Calculus Real numbers Integer and fractional parts. Archimedean property

12–14 2.0

Problem

In the expansion of $(x + y)^{n}$ , using the Newton binomial formula, the second term was 240, the third – 720, and the fourth – 1080. Find $x$ , $y$ and $n$ .

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