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|x| ​x [{1-2x)/(1-x-x 2 ​)}+{(2x-4x ​3 )/(1-x 2 ​+x 4 ​)}+ {(4x 3 -8x 7 )/(1-x 4 ​+x 8 ​)}+......∞] ={1+ax}/{1+bx+cx 2 ​}; where, D x ​[f(x)] denotes differential coefficient of f(x). Find (a+b-c) NOTE:** {x} DOESN’​T DENOTE fractional part of x, curly braces have been used just for the sake of convinience**. To be answered as quickly as possible by an expert. From Class XI student AP

|x|​x [{1-2x)/(1-x-x2​)}+{(2x-4x​3)/(1-x2​+x4​)}+          {(4x3-8x7)/(1-x4​+x8​)}+......∞] ={1+ax}/{1+bx+cx2​}; where, Dx​[f(x)] denotes differential coefficient of f(x). Find (a+b-c)   NOTE:** {x} DOESN’​T DENOTE fractional part of x, curly braces have been used just for the sake of convinience**. To be answered as quickly as possible by an expert.
From
Class XI student
AP

Grade:11

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
Please attach an image of the question , 
 
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