Question

derivation of x2/x3+1​

Answer 1

Answer:

Hope this helps.See the attached file above.

Step-by-step explanation:

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Answer 2

Answer:

Let f(x)=x+12−3x−1x2

f′(x)=dxd(x+12)−dxd(3x−1x2)

By quotient rule

f′(x)=[(x+1)2(x+1)dxd(2)−2dxd(x+1)]−[(3x−1)2(3x−1)dxd(x2)dxd(3x−1)

(x+1)(0)−2(1)]−[(3x−1)2(3x−1)(2x)−(x2)(3)]

=(x+1)2−2−[(3x−1)26x2−2x−3x2]

=(x+1)2−2−[(3x−1)23x2−2x]

=(x+1)2−2−(3x−1)2x(3x−2)