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Solve the Equation x6+49=49x4+x2x ^ { 6 } + 49 = 49 x ^ { 4 } + x ^ { 2 }

Question 224

Multiple Choice

Solve the equation.
- x6+49=49x4+x2x ^ { 6 } + 49 = 49 x ^ { 4 } + x ^ { 2 }


A) −7,7,−i,i- 7,7 , - i , i
B) −7,7,−1,1,−7i,7i- 7,7 , - 1,1 , - 7 i , 7 i
C) −7,7,−1,1- 7,7 , - 1,1
D) −7,7,−1,1,−i,i- 7,7 , - 1,1 , - \mathrm { i } , \mathrm { i }

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