Ответ:
z = 1
z = -1
Объяснение:
3/7 * z^2 - 7/3 = 0
3/7 * z^2 = 7/3
z^2 = (7/3) * (3/7)
z^2 = 1 ??????
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Ответ:
z = 1
z = -1
Объяснение:
3/7 * z^2 - 7/3 = 0
3/7 * z^2 = 7/3
z^2 = (7/3) * (3/7)
z^2 = 1 ??????
z = 1
z = -1