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Sir please explain what are the formulas applied and what is done in the steps I marked in the attachement . How that 1/(D^2-2D+1)e^xsinx is changed into e^x1/(D+1)^2-2(D+1)+1? Please explain the following step

Sir please explain what are the formulas applied and what is done in the steps I marked in the attachement .
How that 1/(D^2-2D+1)e^xsinx is changed into e^x1/(D+1)^2-2(D+1)+1?
Please explain the following step
 

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Grade:12th pass

1 Answers

Arun
25763 Points
2 years ago
Dear student
 
Please ask questions related to JEE only. Thus question is of higher class.
 
Please post this on respective forums

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