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I have only integration problem here.I onlt want to know how it had been written 2xdx =dt.

I have only integration problem here.I onlt want to know how it had been written 2xdx =dt.

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Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
R² + x² has been taken as t
 
Where R is constant and x is variable now.
 
If differentiating with respect to themselves,
It comes as
 
0 + 2x dx = dt

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