range of k such that the following equation gives a solution

Asked by  | 16th Jun, 2008, 08:10: AM

Expert Answer:

Fumction is f(x)=sin8x+cos8x

using f'(x)=0,critical points are x=0,π /4,π /2

We have critical values as 1,1/8,

So range of k is [1/8,1]]

 

Answered by  | 10th Dec, 2008, 10:02: PM

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