Valishati Valishati

08-04-2020
Mathematics

contestada

Which of the following u-substitutions for ∫ (x(x+2)^2)/(sqrt(x))dx results in 2∫u^(2)(u^(2)+2)^(2)du?

Which of the following usubstitutions for xx22sqrtxdx results in 2u2u222du class=

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amna04352 amna04352

09-04-2020

Answer:

A

Step-by-step explanation:

u = sqrt(x)

x = u²

dx/du = 2u

dx = 2u × du

x(x+2)²/sqrt(x) . dx

u² × (u²+2)]/u × 2udu

2 × u²(u²+2).du

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