I have tried to solve an integration question however have made a mistake somewhere but i can't find it.

Any help would be appreciated

picture of the question and working will be below

Any help would be appreciated

picture of the question and working will be below

Original post by firestudent

Looks ok, as

ln(1/9) = -2ln(3)

Original post by mqb2766

Looks ok, as

ln(1/9) = -2ln(3)

ln(1/9) = -2ln(3)

Ok i get it now, thanks for the help

Original post by firestudent

Ok i get it now, thanks for the help

You could have simplified it a bit similar to the hint so

u = 3x

and the limits become -1 to 1 and the integral is

1/3 Int 1 + 2/(u-2) - 2/(u+2) du

which saves a bit of heartache.

(edited 2 months ago)

B=1/4 not 2

C=-1/4 not -2

C=-1/4 not -2

Original post by π/2=Σk!/(2k+1)!!

B=1/4 not 2

C=-1/4 not -2

C=-1/4 not -2

The posted values are good, you must have made a slip somewhere? As A=1, you must have

2B -2C = 8

...

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