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Description
Flashcards by Fauzia Ali, updated more than 1 year ago
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Created by Fauzia Ali
about 7 years ago
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| Question | Answer |
| 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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