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Mathematics, 07.11.2019 20:31 litzy9506

What are the solutions of the equation 9x4 ā€“ 2x2 ā€“ 7 = 0? use u substitution to solve. x = + āˆš7/9 and x = Ā±1 x = + āˆš7/9 and x = Ā±i x = +i āˆš7/9 and x = Ā±1 x = +i āˆš7/9 and x = Ā±i

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What are the solutions of the equation 9x4 ā€“ 2x2 ā€“ 7 = 0? use u substitution to solve. x = + āˆš7/9 a...
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