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tseaux9
10.06.2020 •
Mathematics
Suppose that R (x) is a polynomial of degree 7 whose coefficient are real numbers. Also, suppose that R (x) has the following zeros. -2+3i, -5i, 1+4i
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Ответ:
52² − 48² = (52 + 48)(52 − 48) = 100 * 4 = 400
a² - b² = (a +b)*(a-b)
52² − 48² = 2704 − 2304 = 400
52² − 48² = (52 − 48)² = (4)² = 16