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integralregning. noen som skjønner
Posted: 06/11-2006 17:27
by janneamble
finn integralene:
a) [symbol:integral] (x+1)^2 dx
b) [symbol:integral] ( [symbol:rot] x+1)^2 dx
Re: integralregning. noen som skjønner
Posted: 06/11-2006 18:14
by Janhaa
janneamble wrote:finn integralene:
a) [symbol:integral] (x+1)^2 dx
b) [symbol:integral] ( [symbol:rot] x+1)^2 dx
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a)
[tex]\int (x^2+2x+1)dx[/tex][tex]\;=\;[/tex][tex]{x^3\over 3}+x^2+x+C[/tex]
b)
[tex]{\int (x+1)dx}\;=\;[/tex][tex]{x^2\over 2}+x+C[/tex]