Question

Cum rezolv ecuatia in C cu coeficient real : x² = -32

Answer 1

x² = -32 ⇒ x² =  32· (-1) ⇒ x² = 32 i² ⇒ x² = (4√2)²i² ⇒ x = ± 4√2i

Answer 2

${x}^{2} = - 32 \\ \\ {x}^{2} = 32 {i}^{2} \\ \\ x1 = 4i \sqrt{2} \\ \\ x2 = - 4i \sqrt{2}$