Question

Solve x2 = 39. A) x = ±39 B) x = ± 39 C) x = ±3 13 D) x = ±13 3

Answer 1

Step-by-step explanation:

${x}^{2} = 39 \\ \\ \therefore \: x = \pm \sqrt{39}\\or\\ x = \pm \sqrt{13\times 3}\\\therefore \: x = \pm\sqrt{13 }\times \sqrt{3}$