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d/dx(dy/dx)=(d 2 y/dx 2 ) in this equation why we write dx 2 ? please give me answer urgently

d/dx(dy/dx)=(d2y/dx2) in this equation why we write dx2? please give me answer urgently

Grade:12th pass

2 Answers

mohan
216 Points
6 years ago
dear iitian.....
         hear 1/dx*1/dx it means two (dx) are there.so we can write dx^2.thats it.....................................................................................
murali
18 Points
6 years ago
from equation
we take (dx)2 why we can’t take
that we take only dx2 why?….….….….….….….….….….….….….….….….…....

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