Use the substitution $(b + x)^r = (b + a)^r (1 + \frac{x - a}{b + a})^r$ in the binomial expansion to find the Taylor series of the function below with the center $a = 4$. $\sqrt{5 + x^2}$ Be sure to include parentheses in your answer. Provide your answer below: $\sum_{n=0}^{\infty} \square \binom{\square}{n} (\square)^n$
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The given substitution is $(b + x)^r = (b + a)^r (1 + \frac{x - a}{b + a})^r$. We need to express $f(x) = \sqrt{5 + x^2}$ in the form $(b+x)^r$. First, let's rewrite $f(x)$ to match the form $(b+x)^r$. We have $f(x) = (5 + x^2)^{1/2}$. The given substitution Show more…
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In the following exercises, use the substitution $(b+x)^{r} (b+a)^{r}\left(1+\frac{x-a}{b+a}\right)^{r}$ in the binomial expansion to find the Taylor series of each function with the given center. $$ \sqrt{x} \text { at } a=4 $$
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In the following exercises, use the substitution $(b+x)^{r} (b+a)^{r}\left(1+\frac{x-a}{b+a}\right)^{r}$ in the binomial expansion to find the Taylor series of each function with the given center. $$ \sqrt{2 x-x^{2}} \text { at } a=1 \text { (Hint: } 2 x-x^{2}=1-(x-1)^{2} ) $$
In the following exercises, use the substitution $(b+x)^{r} (b+a)^{r}\left(1+\frac{x-a}{b+a}\right)^{r}$ in the binomial expansion to find the Taylor series of each function with the given center. $$ \sqrt{x^{2}+2} \text { at } a=0 $$
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