cbrow0804 cbrow0804

17-11-2020
Mathematics

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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 9x4 2x2 7 0 Use u substitution to solve class=

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Sky0712 Sky0712

17-11-2020

The answers are C and D

i 7/3, -i 7/3.

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