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What are the solutions of the equation 9x^4 - 2x^2 - 7 = 0? Use u substitution to solve.
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What are the solutions of the equation 9x^4 - 2x^2 - 7 = 0? Use u substitution to solve.

What are the solutions of the equation 9x^4 - 2x^2 - 7 = 0? Use u substitution to-example-1
User Elvy
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The answers are C and D

i 7/3, -i 7/3.
User Daniel Guillamot
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