SOLUTION: Find the derivative of :
1) y=(2x-1)/(x^2+1)
2) F(Q)=70/(3Q+1)^3
3) y= (sqrt4x+3)/ 2x
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Question 186770: Find the derivative of :
1) y=(2x-1)/(x^2+1)
2) F(Q)=70/(3Q+1)^3
3) y= (sqrt4x+3)/ 2x
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
Note: 
# 1
-2x\left(2x-1\right)}{\left(x^2+1\right)^2})
--------------------
# 2
=\frac{70}{\left(3Q+1\right)^3})
=-\frac{630}{\left(3Q+1\right)^4})
--------------------
# 2
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