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Samj72
@Samj72
July 2022
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Помогите пожалуйста.
16^x-5*4^x+4=0
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vahedashyan
Привет.
16^x-5*4^x+4=4^2x-5*4^x+4
4^x=t
t^2+5t-4=0
корни t=1 и t=4
t=4^x=1 => x=0
t=4^x=4 => x=1
в итоге 1 и 0
5 votes
Thanks 6
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Answers & Comments
16^x-5*4^x+4=4^2x-5*4^x+4
4^x=t
t^2+5t-4=0
корни t=1 и t=4
t=4^x=1 => x=0
t=4^x=4 => x=1
в итоге 1 и 0