9/ 2 -9√7 thank you!
hmm....IF you meant 9 / [ 2 - 9√7] { but did not type it } then multiply top and
bottom by [ 2 + 9 √7 ]....so the bottom is 4 - 81(7)
9-18root2 divided by 2
this is right checked on my calc.
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hmm....IF you meant 9 / [ 2 - 9√7] { but did not type it } then multiply top and
bottom by [ 2 + 9 √7 ]....so the bottom is 4 - 81(7)
9-18root2 divided by 2
this is right checked on my calc.