kaykayjk2000
kaykayjk2000 kaykayjk2000
  • 21-04-2019
  • Mathematics
contestada

a^2-2a+10=0 find the roots

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 21-04-2019

Answer:

a = 1 ± 3i

Step-by-step explanation:

Rearranging, you have ...

(a^2 -2a +1) +9 = 0

(a -1)^2 = -9 . . . . . . . . subtract 9, write as a square

a -1 = ±3i . . . . . . . . . . take the square root

a = 1 ±3i . . . . . . . . . . . add 1

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