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why do we have to integrate certain functon till we get it to unity ( I observed it while practising definite integration by uv rule or the product rule ) ?

why do we have to integrate certain functon till we get it to unity ( I   observed it while practising definite integration by uv rule or the product rule ) ?

Grade:11

2 Answers

Arun
25758 Points
2 years ago
Because when again applying uv rule differentiation of 1 becomes 0.
Hence it is always beneficial to assume firs function that function which after certain differentiation becomes constant i.e. 1
Vikas TU
14149 Points
2 years ago
Hiii 
We ned to integrate the function till we get unity , because  , it is the constant limit , and fter that the rate of change will be equal to zero. 
Hope this will help
Good Lucck  

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