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13 EMBED Equation.3 1415

1) в обеих частях уравнения привести степени к одному основанию
13 EMBED Equation.3 1415
2) приравнять показатели степеней 13 EMBED Equation.3 1415
а) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 3.
б) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 Ответ: 5

в) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: - 3.
г) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 13 EMBED Equation.3 1415.
д) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
D=13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 1; 13 EMBED Equation.3 1415.
е) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 2; 3.

13 EMBED Equation.3 1415
представить 1 в виде степени числа а с нулевым показателем 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
а) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: - 2.
б) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 или 13 EMBED Equation.3 1415
Ответ: 2; 3.



13 EMBED Equation.3 1415
(A, k,B числовые коэффициенты)

1 )вынести общий множитель за скобки
13 EMBED Equation.3 1415
2) выполнить преобразования и привести уравнение к виду
13 EMBED Equation.3 1415
а) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
Ответ: 4.
б) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 1.
в) 13 E
·MBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 или 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
Ответ: -1; 1.














13 EMBED Equation.3 1415

1) обозначить 13 EMBED Equation.3 1415
2) решить полученное квадратное уравнение 13 EMBED Equation.3 1415 относительно у
3) выполнить обратную замену и решить уравнения 13 EMBED Equation.3 1415, 13 EMBED Equation.3 1415 относительно х








а) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 или 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 0; 1.


б) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 или 13 EMBED Equation.3 1415
1) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
2) 13 EMBED Equation.3 1415
корней нет,
т.к. 13 EMBED Equation.3 1415> 0 при любом 13 EMBED Equation.3 1415
Ответ: 2.
в) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
т.к 13 EMBED Equation.3 1415, умножим всё уравнение на 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 или 13 EMBED Equation.3 1415
1) 13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
2) 13 EMBED Equation.3 1415
нет решений,
т. к.13 EMBED Equation.3 1415> 0 при любом 13 EMBED Equation.3 1415
Ответ: 2.



г) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
всё уравнение можно поделить на 13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
13 EMBED Equation.3 1415 или 13 EMBED Equation.3 1415
1) 13 EMBED Equation.3 1415
корней нет
2) 13 EMBED Equation.3 1415
13 EMBED Equation.3 1415
Ответ: 0.
















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