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albinastyles00
@albinastyles00
July 2022
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Решить уравнение 2^2х +28*2^х - 29 =0
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sedinalana
Verified answer
2^2x+28*2^x-29=0
2^x=a
a²+28a-29=0
a1+a2=-28 U a1*a2=-29
a1=-29⇒2^x=-29 нет решения
a2=1⇒2^x=1⇒x=0
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Answers & Comments
Verified answer
2^2x+28*2^x-29=02^x=a
a²+28a-29=0
a1+a2=-28 U a1*a2=-29
a1=-29⇒2^x=-29 нет решения
a2=1⇒2^x=1⇒x=0