Partial Fractions

SHOULD

\frac{x^{3}}{(x-1)^{3}(x-2)}

BE WRITTEN AS

\frac{A}{(x-1)^{3}}+\frac{B}{(x-1)^{2}}+\frac{C}{(x-1)}+\frac{D}{(x-2)}

IF NOT WHAT IS THE CORRECT WAY TO SPLIT IT?

39 Answers

1
KR ·

thats a long way ......

[133]........................[134]

11
Anirudh Narayanan ·

bUT VISHAL, SHOULDN'T THE DEGREE IN THE UMERATOR BE LESS THAN THE DEGREE OF THE DENOMINATOR?

13
Двҥїяuρ now in medical c ·

yup .....the degree should be one less

Ax2+bx+c should be upon (x-1)3

dx+e...upon (x-1)2

1
greatvishal swami ·

arey hain main thoda confuse ho gaya tha [4][4][4][4]

k 1 bar fir banata huin

1
skygirl ·

is this the way ?

[12]

1
skygirl ·

yes cube ke upar numerator me highest power will be 2...

similarly others..

11
Anirudh Narayanan ·

Why is the expression in the first post of this thread wrong?

When we can write

\frac{x^{2}}{(x-1)^{2}(x-2)}

as

\frac{A}{x-1}+\frac{B}{(x-1)^{2}}+\frac{C}{x-2}

why can't we split the expression i gave in to the form i gave??

1
greatvishal swami ·

\frac{Ax^{2}+Bx+C}{(x-1)^{3}}+\frac{Dx+E}{(x-1)^{2}}+\frac{F}{(x-1)}+\frac{G}{(x-2)}

1
greatvishal swami ·

ani waise to wo dimetionally hi incorrect hai

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