Rozwiąż nierówność:
11^(4->1
Rozwiąż równanie:
2^(x+1)-3*2^(x-2)=80
11^(4-x)²>11^0
4-x²>0
(2-x)(2+x)>0
x∈(-2;2)
2*2^x-3/4*2^x=80
5/4 * 2^x=80 /:5/4
2^x=64
2^x=2^6
x=6
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11^(4-x)²>11^0
4-x²>0
(2-x)(2+x)>0
x∈(-2;2)
2*2^x-3/4*2^x=80
5/4 * 2^x=80 /:5/4
2^x=64
2^x=2^6
x=6