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Multiplying by a conjugate, the ratio (root(1+x) - 1)/x tends to what at 0?
AEqual to 0
BEqual to 2
CEqual to 1/2
DEqual to 1
Answer & Solution
Correct answer: C. Equal to 1/2
Multiplying by the conjugate gives 1/(sqrt(1+x)+1), which tends to 1/2.
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