Ответ:
х=10
2/71111
Объяснение:
9х⁻²/(8-х⁻²)-9/(8+х⁻²)=(9х⁻²*(8+х⁻²-(8-х⁻²))/(64-х⁻⁴)
=(9х⁻²*(8+х⁻²-8+х⁻²))/(64-х⁻⁴)=2*9*х⁻⁴/((64х⁴-1)/х⁴)=18/(64х⁴-1)
0.1⁻¹=1/0.1=10
18/(640000-1)=18/639999=2/71111
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Ответ:
х=10
2/71111
Объяснение:
9х⁻²/(8-х⁻²)-9/(8+х⁻²)=(9х⁻²*(8+х⁻²-(8-х⁻²))/(64-х⁻⁴)
=(9х⁻²*(8+х⁻²-8+х⁻²))/(64-х⁻⁴)=2*9*х⁻⁴/((64х⁴-1)/х⁴)=18/(64х⁴-1)
0.1⁻¹=1/0.1=10
18/(640000-1)=18/639999=2/71111