ОДЗ: x≥0;
t²-t-56=0;
D=1+4*56=225;
t₁=(1-15)/2=-7; ∅ t≥0;
t₂=(1+15)/2=8;
x=2¹⁰=1024;
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ОДЗ: x≥0;
t²-t-56=0;
D=1+4*56=225;
t₁=(1-15)/2=-7; ∅ t≥0;
t₂=(1+15)/2=8;
x=2¹⁰=1024;