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Grade 12Integral Calculus

what is the use of invariance

Profile image of Gman Namg
11 Years agoGrade 12
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1 Answer

Profile image of grenade
ApprovedApproved Tutor Answer11 Years ago
let me help u by taking an example as
sinx.cosx.dx
u know that 
d(cosx) = sinx.dx
so now we can interpret as cosx.dcosx
thus we will get cos^2(x)/2