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OpenStudy (anonymous):
Rationalize the numerator of the expression. Then simplify your answer. (root(7)-3)/7 my answer is -1/(7*root(7)+7) I hope anyone can help me :)
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jhonyy9 (jhonyy9):
7-9 -----------= 2/(7(root(7)+3) 7((root(7)+3)
jhonyy9 (jhonyy9):
sorry on numerator will be -2
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