Question

Показательные уравения
3^(2x)-2*3^(x)-3=0

Answer 1

${3}^{2x} - 2 \times {3}^{x} - 3 = 0 \\ d = 4 + 12 = 16 \\ \sqrt{d} = 4 \\ {3}^{x} = 3 \\ x = 1$