jdoherty945 jdoherty945
  • 02-07-2020
  • Mathematics
contestada

Solve the equation and express each solution in a+bi form x^4-7x^2-8=0

Respuesta :

Space
Space Space
  • 02-07-2020

Answer:

x = ±2√2, ±i

Step-by-step explanation:

Step 1: Factor

(x² - 8)(x² + 1)

Step 2: Find roots

x² - 8 = 0

x² = 8

x = ±2√2

x² + 1 = 0

x² = -1

x = ±i

Answer Link
KJTorres KJTorres
  • 22-12-2021

Answer:

The answer is B

Step-by-step explanation:

Answer Link

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