(4x-7)^9/(4x-7)^7

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Solution for (4x-7)^9/(4x-7)^7 equation: 


D( x )

(4*x-7)^7 = 0

(4*x-7)^7 = 0

(4*x-7)^7 = 0

4*x-7 = 0 // + 7

4*x = 7 // : 4

x = 7/4

x in (-oo:7/4) U (7/4:+oo)

((4*x-7)^9)/((4*x-7)^7) = 0

(4*x-7)^2 = 0

4*x-7 = 0 // + 7

4*x = 7 // : 4

x = 7/4

x in { 7/4} 

x belongs to the empty set

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