Matematicas 5
“MANUAL DE EVIDENCIAS”.
MATEMATICAS V
ING. LUCINO LUMBRERAS
P RE S E N T A:
San Juan del Río, Qro.,
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[pic]=x
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y-[pic]
y=c[pic]+[pic]
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9.y’+[pic]
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[pic]Ejercicio 13
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[pic]+C
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Y=-Cx
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4. [pic]5. y’=[pic]
y’=[pic]
u’+1=[pic]
u’=[pic]
u’=[pic]
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[pic]du = dx
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U+5=-[pic]
y-x=[pic]
y=[pic]
6. y’=[pic] u=y+2x u’-2x=yy’=[pic]
2-u’=[pic]
u’=[pic]-2
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-[pic]=x
2u=[pic]+2
Y=[pic]+2+2x
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1. (x-2)y´=3y(x-2)[pic]=3y
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Y=3(x-2)+c
2. (1-[pic])y´=y
(1-[pic]
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dy=[pic]
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ln y= ln[pic]
y=[pic]
3. y´´-y=0
My´´+cy+ky=0
[pic](r-1)(r-1)
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por lo que:
r1=1; r2=-1
r1 ≠r2
y1=B1[pic]; y2=B2[pic]
y=B1[pic]+B2[pic]
y= B1[pic]+B2[pic]
4. y´´+4y=0
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r1-2[pic]
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r1-2[pic]...
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