Ответ:
Объяснение:
xn = 3n² + 2n - 9.
x1 = 3 + 2 - 9 = -4
x2 = 3*4 + 2*2 - 9 = 5
x3 = 3*9 + 2*3 - 9 = 24
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Ответ:
Объяснение:
xn = 3n² + 2n - 9.
x1 = 3 + 2 - 9 = -4
x2 = 3*4 + 2*2 - 9 = 5
x3 = 3*9 + 2*3 - 9 = 24