Page 295 - 1300 Math Formulas
P. 295
CHAPTER 9. INTEGRAL CALCULUS
1139. c~ê~Ç~ó∞ë=i~ï=
r r Çψ
ε = ∫ b⋅ ê Ç = − =
` Çí
=
qÜÉ=ÉäÉÅíêçãçíáîÉ=ÑçêÅÉ=EÉãÑF= ε =áåÇìÅÉÇ=~êçìåÇ=~=ÅäçëÉÇ=
äççé=`=áë=Éèì~ä=íç=íÜÉ=ê~íÉ=çÑ=íÜÉ=ÅÜ~åÖÉ=çÑ=ã~ÖåÉíáÅ=Ñäìñ= ψ =
é~ëëáåÖ=íÜêçìÖÜ=íÜÉ=äççéK===
=
=
=
Figure 209.
=
=
=
9.13 Surface Integral
=
pÅ~ä~ê=ÑìåÅíáçåëW= ( óIñÑ ) ò I I= ( óIñò )=
r r
mçëáíáçå=îÉÅíçêëW= ( îIìê )I= ( óIñê ) ò I =
r r r
råáí=îÉÅíçêëW= á I= à I=â =
pìêÑ~ÅÉW=p=
r
sÉÅíçê=ÑáÉäÇW= ( nImc o I )=
r r
aáîÉêÖÉåÅÉ=çÑ=~=îÉÅíçê=ÑáÉäÇW=Çáî c ∇= c ⋅ =
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