Which statement best describes lifetime income?
the total salary for all the years worked
the total salary and retirement benefits for all the years worked
the total salary and value of insurance benefits for all the years worked
the total cost of college classes and vocational training divided by the total years worked

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Ответ:

Masonb1849

26.07.2020

Mathematics

✅

Step-by-step explanation:

$\frac{ {x}^{a + b} \times {x}^{b + c} \times {x}^{c + a} }{ {x}^{2a} \times {x}^{2b} \times {x}^{2c} } \\ \\ = \frac{ {x}^{a + b + b + c + c + a} }{ {x}^{2a + 2b + 2c} } \\ \\ (∵ {x}^{m} \times {x}^{n} = {x}^{m + n} ) \\ \\ = \frac{ {x}^{2a + 2b + 2c} }{ {x}^{2a + 2 b+ 2c} } \\ \\ = 1$

$\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{.}}}}}$

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