when I multiply by I get a denominator of zero. Does that mean I should divide thru by x to get That does not seem right either.
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However x is negative, so , and . The original expression should approach -1.
Originally Posted by kingsolomonsgrave when I multiply by I get a denominator of zero. Does that mean I should divide thru by x to get That does not seem right either. First of all, if you multiply top and bottom by the conjugate, you should be multiplying by , NOT . Doing this gives
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