Further Partial Fractions Flashcards
1
Q
x-8/(x+1)(x-2)2 =
A
write as a partial fraction
A/(x+1) + B(x-2) + C/(x-2)2
x-8=A(x-2)2 +B(x+1)(x-2) +C(x+1)
A=-1, C=-2 to find B do x=3, B=1
=-1/x+1 + 1/x-2 - 2/(x-2)2
A2 Maths C4 > Further Partial Fractions > Flashcards
x-8/(x+1)(x-2)2 =
write as a partial fraction
A/(x+1) + B(x-2) + C/(x-2)2
x-8=A(x-2)2 +B(x+1)(x-2) +C(x+1)
A=-1, C=-2 to find B do x=3, B=1
=-1/x+1 + 1/x-2 - 2/(x-2)2