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Please exlain me step by step.I have attached the image of the problem .

Please exlain me step by step.I have attached the image of the problem .

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Grade:12th pass

1 Answers

Arun
25750 Points
4 years ago
Dear student
 
let f((x) = sin x – x + x^3/3 – x^5/5
now f’(x) = cosx – 1 + x^2 – x^4
 
As we know f’(x) is negative hence f(x) is decreasing function.
 
 

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