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Grade: 12th pass 
        
Please exlain me step by step.I have attached the image of the problem .
2 months ago

Answers : (1)

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Arun
23503 Points 
							
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.
 
 
2 months ago
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