bewellplus.gsu.edu
latonya latonya
  • 06-06-2014
  • Mathematics
Answered

Solve the equation: X to the 4th power - 81=0

Verified Answer :

konrad509
konrad509 konrad509
  • 06-06-2014

\(x^4-81=0\\ x^4=81\\ x^4=3^4 \vee x^4=(-3)^4\\x=3 \vee x=-3\)

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