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vkontaktekarla
@vkontaktekarla
August 2022
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(-1)×(-1)^2×(-1)^3×(-1)^1/4×....×(-1)14
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spasibo3pajbrh
Я так полагаю, что (-1)⁴, а не (-1)^-¼
(-1)×(-1)²×(-1)³×(-1)⁴×...×(-1)¹³×(-1)¹⁴=
=(-1)×(1)×(-1)×(1)×...(-1)×1=
=[(-1)×(1)]×[(-1)×(1)]×...[(-1)×1]
разбили на пары , всего таких пар 14/2=7
=(-1)^7= -1
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Answers & Comments
(-1)×(-1)²×(-1)³×(-1)⁴×...×(-1)¹³×(-1)¹⁴=
=(-1)×(1)×(-1)×(1)×...(-1)×1=
=[(-1)×(1)]×[(-1)×(1)]×...[(-1)×1]
разбили на пары , всего таких пар 14/2=7
=(-1)^7= -1