4b^4+8b^8/2b^-2

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Solution for 4b^4+8b^8/2b^-2 equation: 


D( b )

b = 0

b = 0

b = 0

b in (-oo:0) U (0:+oo)

b^-2*((8*b^8)/2)+4*b^4 = 0

4*b^6+4*b^4 = 0

4*b^4*(b^2+1) = 0

1*b^2 = -1 // : 1

b^2 = -1

4*b^4 = 0

4*b^4 = 0 // : 4

b^4 = 0

b = 0

b in { 0} 

b belongs to the empty set

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