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Problem

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problem

Given that \begin{align*} \frac{1}{x}+\frac{1}{y}&=5,\\ 3xy+x+y&=4, \end{align*} compute x2y+xy2x^2y+xy^2.
Plain-text mathematical notation (without MathML)
Given that

\begin{align*}
\frac{1}{x}+\frac{1}{y}&=5,\\
3xy+x+y&=4,
\end{align*}

compute x²y+xy².
Original LaTeX notation
Given that

\begin{align*}
\frac{1}{x}+\frac{1}{y}&=5,\\
3xy+x+y&=4,
\end{align*}

compute $x^2y+xy^2$.

level

Level 5

type

Algebra

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Source and history

Official source

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