Question

Решите уравнение 5^3x^2-3=1

Answer 1

5^3*3x^2=1+3
5^3*3x^2=4
x^2=4/5^3*3
x^2=4/125*3
x^2=4/375
x=±2√15/75
х=2√15/75
х=-2√15/75
х1=-2√15/75 х=2√15/75