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In problem set 3. Exercise 2A7. how do you get the final step of the answer from 1/(1x^2) to approximately 1+x^2... Is it because of "the linear approx" of the linear approx?
 one year ago
 one year ago
In problem set 3. Exercise 2A7. how do you get the final step of the answer from 1/(1x^2) to approximately 1+x^2... Is it because of "the linear approx" of the linear approx?
 one year ago
 one year ago

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JingleBellsBest ResponseYou've already chosen the best response.1
Yep, 1/(1x^20*(1+x^2)/(1+x^2) and drop all powers of x above 2
 one year ago
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