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What is the definite integral of #x# from 0 to 3?

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Sep 25, 2014

#int_0^3 x dx#

#=[x^2/2]_0^3#

#=[(3)^2/2-(0)^2/2]#

#=[(3)^2/2-(0)^2/2]#

#=[9/2-0/2]#

#=[9/2]#

#=4.5#

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