Question

а)x^2=4 б)x^2=1 в)x^2=3 г)x^2=5

Answer 1

а)x=+-2 б)х=+-1 в)+-\/3 г)х=+-\/5

Answer 2

х²=4;х=±2
х²=1;х=±2
х²=3;х=±√3
х²=5;х=±√5