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Mathematics, 07.11.2019 20:31 litzy9506

What are the solutions of the equation 9x4 – 2x2 – 7 = 0? use u substitution to solve. x = + √7/9 and x = ±1 x = + √7/9 and x = ±i x = +i √7/9 and x = ±1 x = +i √7/9 and x = ±i

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