Integration by Substitution

Descripción

A-Level (C4) Maths Fichas sobre Integration by Substitution, creado por Fauzia Ali el 09/02/2017.
Fauzia Ali
Fichas por Fauzia Ali, actualizado hace más de 1 año
Fauzia Ali
Creado por Fauzia Ali hace más de 7 años
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Resumen del Recurso

Pregunta Respuesta
Integration By Substitution
Example: Integrate sec^3 x tan x dx Use the substitution u=sec x Step 1: Differentiate u du/dx= sec x tan x
Step 2: Separate the variables du= sec x tan x dx Step 3: Substitute! I= sec^2 x sec x tan x dx I= sec^2x du I=u^2 du
Step 4: Integrate I=1/3 u^3 Step 5: Substitute x back in I=1/3 sec^3 x
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