dog1102 dog1102

19-03-2020
Mathematics

contestada

Use square roots to solve the
equation x2 = -121 over the
complex numbers.

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

19-03-2020

Answer:

x = ±11i

Step-by-step explanation:

x^2 = -121

Take the square root of each side

sqrt(x^2) = sqrt(-121)

sqrt(x^2) = sqrt (-1) *sqrt(121)

We know that the sqrt(-1) is i

x = i ( ±11)

x = ±11i

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