If $$ {8x\over{2x^{2}+7x-2}}=1, x>0,$$ then what is the value of of $$ {x^{3}+{1\over x^{3}}}$$ ?
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Q:
If $$ {8x\over{2x^{2}+7x-2}}=1, x>0,$$ then what is the value of of $$ {x^{3}+{1\over x^{3}}}$$ ?
- 1$$ {3\over 8}{\sqrt{17}}$$false
- 2$$ {3\over 4}{\sqrt{17}}$$false
- 3$$ {5\over 8}{\sqrt{17}}$$true
- 4$$ {5\over 4}{\sqrt{17}}$$false
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