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Автор - kobzarenko99

2+3 в степены х-2 = 3 в степены х-1

Ответ

Проверено экспертом

Автор - oganesbagoyan
2+ 3^(x-2) =3 ^(x -1) ;
2 = 
3 ^(x -1) - 3^(x-2);
2 =3^(x-2)* (3 -1);
2 =3^(x-2)* 2;
1 =3^(x-2) ;
3^0 =3^(x-2) 
x-2 =0;
x=2.

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