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If f(x)=x^2+ax+1/x^2-ax+1 when a€(0,2) find a when f(x) belongs to [1/7,7]

If f(x)=x^2+ax+1/x^2-ax+1 when a€(0,2) find a when f(x) belongs to [1/7,7]
 

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
put it equal to y and then make a quadratic in x after that find y as
D>- 0

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