Find the local maximum or local minimum, if any, of the function `f(x)=s in^4x+cos^4x ,\\ \\ 0 l...

This is the Solution of Question From RD SHARMA book of CLASS 12 CHAPTER APPLICATION OF DERIVATIVES This Question is also available in R S AGGARWAL book of CLASS 12 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free



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==== QUESTION TEXT ====

Find the local maximum or local minimum, if any, of the function `f(x)=s in^4x+cos^4x ,\\ \\ 0 lt x lt pi/2` using the first derivative test.

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