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integrals by using fraction decomposition?
Need some help with this study guide please.
Integral (3y^3+5y-1)/(y^3+y)
I get as far as long division to get Integral (3y^3+5y-1)/(y^3+y) = integral 3+ (2y-1)/(y^3+y) and splitting the second part up into (A)/(y) +(By+C)/(y^2+1). Im having trouble finding A,B and C. Can you guys please help a fellow out?
1 Answer
- ted sLv 71 decade agoFavorite Answer
for the partial fraction 1st multiply both sides by y , then let y = 0 to find A
2nd " let y = 1 and -1 to find 2 equations in B & C...easy to solve system
try it