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Solve the Equation −z4+26z2−25=0- z ^ { 4 } + 26 z ^ { 2 } - 25 = 0

Question 154

Multiple Choice

Solve the equation. −z4+26z2−25=0- z ^ { 4 } + 26 z ^ { 2 } - 25 = 0


A) z=1,z=−1,z=4,z=−4z = 1 , z = - 1 , z = 4 , z = - 4
B) z=1,z=5z = 1 , z = 5
C) z=1,z=25z = 1 , z = 25
D) z=1,z=−1,z=2,z=−2z = 1 , z = - 1 , z = 2 , z = - 2
E) z=1,z=−1,z=5,z=−5z = 1 , z = - 1 , z = 5 , z = - 5

Correct Answer:

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