Solve Equations That Are Quadratic in Form
Solve the Equation $$x ^ { 4 } - 4 x ^ { 2 } + 3 = 0$$

question 229

Multiple Choice

Solve Equations That Are Quadratic in Form
Solve the equation by making an appropriate substitution.
- $$x ^ { 4 } - 4 x ^ { 2 } + 3 = 0$$

• A) \(\{ - 1,1 , - \sqrt { 3 } , \sqrt { 3 } \}\)
• B) \(\{ - 1,1 , - \mathrm { i } \sqrt { 3 } , \mathrm { i } \sqrt { 3 } \}\)
• C) \(\{ 1,3 \}\)
• D) \(\{ 1 , \sqrt { 3 } \}\)

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