how can we find the area through multipal integral

Hi Devendra, Although, as Shiksha is an Education portal which give guidance to the students regarding their career and education options, but just for your convenience I am putting the information on how to calculate area of a cube: A cube is a 3-dimensional object composed of six squares at righ

check this out http://www.math.umn.edu/~nykamp/m2374/readings/doubleintvol/