Question

2р – (1 – р² – p³) – (2p + p2 – p³), якщо p = 2,3​

Answer 1

Ответ:

$2p - (1 - {p}^{2} - {p}^{ 3} ) - (2p + {p}^{2} - {p}^{3} ) = 2p - 1 + {p}^{2} + {p}^{3} - 2p - {p}^{2} + {p}^{3} = 2 {p}^{3} - 1 = 2 \times {2.3}^{3} - 1 = 24.33 - 1 = 23.33$