Answer:
Step-by-step explanation:
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Answer:
Step-by-step explanation:
integral(x/(1+x^2)^2)dx
=(1/2)integral(2x/(1+x^2)^2)dx
=(1/2)[-1/(1+x^2)] +c
-108=8x
Divide 8 on both sides
-13.5=x
The answer is...X=-13.5
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Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

So, by substitution:

Simplify. Distribute:

Rearrange:

Combine like terms. Hence:

Answer:
Step-by-step explanation:
Using mid point formula
Mid point = ((x1+x2)/2 , (y1+y2)/2)
= (2/2,-8/2)
=( 1, -4)