How do you use substitution to integrate #(2x(x^2 + 1)^23)dx#?
We may hence write the original integral in terms of x into a new equivalent integral in terms of u as follows :
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To integrate (2x(x^2 + 1)^{23}) using substitution, let (u = x^2 + 1). Then, (du = 2x , dx).
Substitute (u) and (du) into the integral:
[\int 2x(x^2 + 1)^{23} , dx = \int u^{23} , du]
Now integrate with respect to (u):
[\int u^{23} , du = \frac{u^{24}}{24} + C]
Replace (u) with (x^2 + 1) and simplify:
[\frac{(x^2 + 1)^{24}}{24} + C]
Therefore, the integral of (2x(x^2 + 1)^{23}) is (\frac{(x^2 + 1)^{24}}{24} + C), where (C) is the constant of integration.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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