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4356115
Techniques of Integration
Description
how to attempt certain questions
No tags specified
calculus
integration
techniques
Mind Map by
hamidymuhammad
, updated more than 1 year ago
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Created by
hamidymuhammad
about 8 years ago
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Resource summary
Techniques of Integration
basic substitution method
1) identify the U
2) differentiate U and change the question to the form of U
3) integrate as usual
completing the square,CSM (when quadratic function at denominator)
1) simplify denominator using CSM
2) integrate the equation
*answer usually in the form of inverse trigo.
trigonometric identities (when there is summation of 2 terms ^2 @ different angle)
1) expand the equation
2) apply the trigonometric identitiesl
3) make sure every term can be integrated
4) integrate each term as usual.
improper fraction (when degree of numerator>/= degree of denominator)
1) use long division method to simplify the equation
2) integrate the simplified eq. as usual
separating fractions (when the fraction can be separated)
1) separate the function into 2 eq. with same denominator.
2) simplify then integrate each term
multiplying by a form of 1
1) multiply by a form of 1 or its conjugate
2) simplify the expression
3) integrate the expression as usual.
eliminating square roots(when trigo function is in the square root)
1) simplify to a squared trigonometric form
2) eliminate the square root
3) integrate as usual
integration by parts
in the form of
1) identify u and dv
use ILATE
2) substitute into the form
tabular integration
1) diff u until becomes 0
2) combine the product of fn
integration by partial fractions
non-repeated linear factors
1) simplify the deniminator
2) separate the denominator
3) find A and B
use Heaviside "cover up" method
repeated linear factors
irreducible quadratic factors
improper fraction
trigonometric integrals
when the trigo fn is to the power of an even no.
use half angle formula then integrate using basic subs. method
when trigo fn is to the power of an odd no.
1) release one of the factor. convert the remaining using identities.
2) integrate each term.
reduction formula
to integrate sin^n x and cos^n x
product of powers of sines and cosines.
both odd
one odd one even
both even
t-substitution (t=tan x)
1) change the eq. in terms of t
2) integrate the fn
3)convert back the t into tan x
trigonometric substitution
1)convert the variable in terms of theta
2) integrate as usual
3) change the theta back into variable form
improper integral
1) sketch the graph
2) change into limit
3) integrate the equation
By: Hamidy and Anas (set7)
4) solve the limit.
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