Page 313 - 1300 Math Formulas

CHAPTER 10. DIFFERENTIAL EQUATIONS

ñ
~ééäáÉë= íç= íÜÉ= íÉãéÉê~íìêÉ= ÇáëíêáÄìíáçå= ( ó áå=íÜÉ=ñó-
I
)=
ì
éä~åÉ=ïÜÉå=ÜÉ~í=áë=~ääçïÉÇ=íç=Ñäçï=Ñêçã=ï~êã=~êÉ~ë=íç=Åççä=
çåÉëK=qÜÉ=Éèì~íáçåë=çÑ=íÜáë=íóéÉ=~êÉ=Å~ääÉÇ=é~ê~ÄçäáÅK==
=
1183. qÜÉ=t~îÉ=bèì~íáçå=
∂ O ì + ∂ O ì = ∂ O ì =
ñ ∂ O ó ∂ O í ∂ O

~ééäáÉë=íç=íÜÉ=Çáëéä~ÅÉãÉåí= ( óIñì )=çÑ=îáÄê~íáåÖ=ãÉãÄê~åÉë=
~åÇ= çíÜÉê= ï~îÉ= ÑìåÅíáçåëK= qÜÉ= Éèì~íáçåë= çÑ= íÜáë= íóéÉ= ~êÉ=
Å~ääÉÇ=ÜóéÉêÄçäáÅK==
=
=

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