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Kotaaat
@Kotaaat
August 2021
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fiofionina
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Решение:
6/(а-1)-10/(а-1)² :10/(а²-1)-(2а+2)/(а-1)=6/(а-1) -{10*(а-1)*(а+1)}/{(a-1)²*10}-(2a+2)/(a-1)=6/(a-1) - (a+1)/(a-1) - (2a+2)/(a-1)=(6-a-1-2a-2)/(a-1)=(3-3a)/(a-1)=-3*(a-1)/(a-1)=-3
Ответ: -3
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Thanks 2
selmash21
6-2а-2
=----------- -
а-1
10×(а-1)(а+1)
- ---------------------=
(а-1)^2×10
=(4-2а)/(а-1) - (а+1)/(а-1)=
=(4-2а-а-1)/(а-1)=(3-3а)/(а-1)=-3(а-1)/(а-1)=-3
0 votes
Thanks 2
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Verified answer
Решение:6/(а-1)-10/(а-1)² :10/(а²-1)-(2а+2)/(а-1)=6/(а-1) -{10*(а-1)*(а+1)}/{(a-1)²*10}-(2a+2)/(a-1)=6/(a-1) - (a+1)/(a-1) - (2a+2)/(a-1)=(6-a-1-2a-2)/(a-1)=(3-3a)/(a-1)=-3*(a-1)/(a-1)=-3
Ответ: -3
=----------- -
а-1
10×(а-1)(а+1)
- ---------------------=
(а-1)^2×10
=(4-2а)/(а-1) - (а+1)/(а-1)=
=(4-2а-а-1)/(а-1)=(3-3а)/(а-1)=-3(а-1)/(а-1)=-3