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Mecanica de Materiales - 7ma.Ed_James

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964 apéndice C Fórmulas matemáticas<br />

Derivadas<br />

d<br />

dx (ax) a d<br />

dx (xn ) nx n 1 d<br />

dx (au)<br />

a d u<br />

dx<br />

u(dv/dx)<br />

Derivadas d<br />

dx (uv) u d v<br />

v d u d u v(du/dx)<br />

dx<br />

dx<br />

dx<br />

v<br />

v 2<br />

d<br />

(un ) nu n 1 u dy<br />

dy du<br />

du<br />

1<br />

dx (ax) a d<br />

dx (xn ) nx n 1 d<br />

dx (au) a d u<br />

dx<br />

x dx<br />

du<br />

dx<br />

dx<br />

dx/du<br />

d<br />

(sen u)<br />

cos u (cos u)<br />

sen u d u<br />

dx (uv) u d v<br />

v du<br />

d u v(du/dx) u(dv/dx)<br />

dx<br />

dx<br />

dx<br />

v<br />

v 2<br />

dx<br />

d<br />

(tan u)<br />

sec2 u d u d<br />

(cot u)<br />

dx<br />

dx csc2 u d u<br />

dx (un ) nu n 1 du<br />

dy<br />

dy du<br />

du<br />

1<br />

dx<br />

dx<br />

du<br />

dx<br />

dx<br />

dx/du<br />

dx<br />

d<br />

(sen u)<br />

(sec u)<br />

sec tan u d u d<br />

(csc u)<br />

dx<br />

dx csc u cot u d u<br />

dx cos u d u d<br />

(cos u)<br />

dx<br />

dx sen u d u<br />

dx<br />

dx<br />

d<br />

(arctan (tan u)<br />

u) 1 du<br />

d<br />

1 u 2 dx<br />

dx (log u) g e du<br />

d<br />

lou dx<br />

dx (ln u) 1 du<br />

dx sec2 u d u d<br />

(cot u)<br />

dx<br />

dx csc2 u du<br />

dx<br />

u dx<br />

d<br />

(sec u)<br />

(au ) a u ln a d u<br />

dx<br />

d<br />

dx (eu ) e u du<br />

dx sec u tan u d u d<br />

(csc u)<br />

dx<br />

dx csc u cot u d u<br />

dx<br />

dx<br />

d<br />

dx (arctan u) 1 du<br />

d<br />

1 u 2 dx<br />

dx (log u) g e du<br />

d<br />

lou dx<br />

dx (ln u) 1 du<br />

u dx<br />

Integrales in<strong>de</strong>finidas<br />

d<br />

Nota:<br />

dx (au ) <strong>de</strong>be a u agregar ln a d u<br />

dx<br />

una constante<br />

d<br />

dx (eu ) al eresultado u du<br />

dx<br />

<strong>de</strong> cada integración<br />

adx ax u dv uv v du (integración por partes)<br />

Integrales in<strong>de</strong>finidas<br />

x n x n 1 dx<br />

dx (n 1)<br />

ln x (x 0)<br />

Nota: <strong>de</strong>be nagregar 1 una constante al xresultado <strong>de</strong> cada integración<br />

adx xax 1 n<br />

n<br />

(nu dv1) uv (av du bx) n (integración (a bx)<br />

dx por partes) (n<br />

x 1 n<br />

b(n 1)<br />

1)<br />

x n dx<br />

1<br />

a bx b ln (a bx) dx<br />

dx<br />

1<br />

n (n 1)<br />

ln x (x 0)<br />

(a x bx) 2 b(a bx)<br />

dx<br />

dx x 1 n n 1<br />

1<br />

n<br />

(n 1) (a bx) n (a bx)<br />

dx<br />

n<br />

(a x bx) 1 n<br />

(n 1)<br />

(n 1)(b)(a bx) n 1 b(n 1)<br />

(n 1)<br />

dx 1<br />

1<br />

dxb 2 2 x 2 ab bx<br />

a bx b ln (a bx) dx<br />

1<br />

(x (a en radianes) bx) 2 (ab(a<br />

0, bx) b<br />

a<br />

0)<br />

dx<br />

dx 1<br />

a 2 b 2 x 2 2ab 1<br />

n bx<br />

(a bx) (n 1)(b)(a<br />

a bx<br />

(x en radianes)<br />

(n 1)<br />

bx) n 1<br />

(a 0, b 0)<br />

x dx 1<br />

2 bx b<br />

1<br />

a ln (a bx)] xdx<br />

1 a<br />

a<br />

dxb 2 2 x 2 ab bx<br />

(x en radianes) (a 0, b 0)<br />

a<br />

(a bx) b<br />

a bx<br />

ln (a<br />

xd<br />

dx<br />

x<br />

1<br />

a 2bx<br />

xdx<br />

a 3bx<br />

(a<br />

a 2<br />

b<br />

x) x 3 2ab bx<br />

(x en radianes) (a 0, b<br />

2b<br />

(a<br />

a<br />

bx) b 2 x<br />

(a bx) 6b<br />

(a bx) 0)<br />

x dx 1<br />

2<br />

a bx b<br />

xdx<br />

1 a<br />

(a bx) b<br />

a bx<br />

ln (a<br />

xdx<br />

a 2bx<br />

xdx<br />

a 3bx<br />

(a bx) 2b<br />

(a bx) (a bx) 6b<br />

(a bx) n<br />

1<br />

bx)<br />

bx)

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