Question

Integrate:
x/(x+1) (x+2)
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Answer 1

Answer:

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Answer 2

Answer:

B = -A = - 1

Step-by-step explanation:

1/(X+1) (X+2) = A/X+1 + B/X+2

1 = (X+2) A + (X+1) B

1 = X (A+B) + 2 A+B

cofficient of X =0

A+B = 0

-A = + B

B = - A

Equating constant

1 = 2A+B

1 = 2A-A

A = 1

Thus, B = -A = -1