(3x-1/x)^2 evaluate each of the following using appropriate indented?
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Answer:
(9X⁴+1)/X².- 6
Step-by-step explanation:
(a-b) ²= a²+b²-2ab
= (3x-1/x)²
= 9x²+1/x²-2×3x×1/x
= 9x²+1/x²-6
= (9x⁴+1)/x² - 6
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