Asked by Julie
w^4-6w^2-2=0 what is the solution?
Answers
Answered by
MathMate
w^4-6w^2-2=0
(w²)^2;-6(w²)-2 = 0
put x=w²
x^2-6x-2=0
Apply the quadratic formula:
x=(6±√(36+8))/2
=3±√(11)
Therefore
w=±√(3±√(11))
(for a total of 4 solutions)
(w²)^2;-6(w²)-2 = 0
put x=w²
x^2-6x-2=0
Apply the quadratic formula:
x=(6±√(36+8))/2
=3±√(11)
Therefore
w=±√(3±√(11))
(for a total of 4 solutions)
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