Help me understand this antiderivative I have a simple equation I typed into WolframAlpha to see wh

Jackson Duncan

Jackson Duncan

Answered question

2022-06-13

Help me understand this antiderivative
I have a simple equation I typed into WolframAlpha to see what it was. Look what WO gave me:
Indefinite integrals: 1 2 u d u = u + constant .
Possible intermediate steps:
1 2 u d u
Factor out constants:
1 2 1 u d u
The integral of 1 u is 2 u :
u + constant
Is this so? How can the antiderivative of 1 u be 2 u ?

Answer & Explanation

Myla Pierce

Myla Pierce

Beginner2022-06-14Added 20 answers

Explanation:
Think of 1 u as u 1 2 . Now you can just apply the power rule (i.e. increase the exponent rule by 1 and divide by the new exponent). This gives
1 u d u = u 1 2 d u = u 1 2 1 2 + C = 2 u + C .

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