Esercizio
$\frac{d}{dx}\sqrt{\frac{x^4-x+1}{x^4+x+1}}$
Soluzione passo-passo
Impara online a risolvere i problemi di passo dopo passo. d/dx(((x^4-x+1)/(x^4+x+1))^(1/2)). Applicare la formula: \frac{d}{dx}\left(x^a\right)=ax^{\left(a-1\right)}\frac{d}{dx}\left(x\right), dove a=\frac{1}{2} e x=\frac{x^4-x+1}{x^4+x+1}. Applicare la formula: \left(\frac{a}{b}\right)^n=\left(\frac{b}{a}\right)^{\left|n\right|}, dove a=x^4-x+1, b=x^4+x+1 e n=-\frac{1}{2}. Applicare la formula: \frac{d}{dx}\left(\frac{a}{b}\right)=\frac{\frac{d}{dx}\left(a\right)b-a\frac{d}{dx}\left(b\right)}{b^2}, dove a=x^4-x+1 e b=x^4+x+1. Applicare la formula: \frac{a}{b}\frac{c}{f}=\frac{ac}{bf}, dove a=1, b=2, c=\frac{d}{dx}\left(x^4-x+1\right)\left(x^4+x+1\right)-\left(x^4-x+1\right)\frac{d}{dx}\left(x^4+x+1\right), a/b=\frac{1}{2}, f=\left(x^4+x+1\right)^2, c/f=\frac{\frac{d}{dx}\left(x^4-x+1\right)\left(x^4+x+1\right)-\left(x^4-x+1\right)\frac{d}{dx}\left(x^4+x+1\right)}{\left(x^4+x+1\right)^2} e a/bc/f=\frac{1}{2}\sqrt{\frac{x^4+x+1}{x^4-x+1}}\frac{\frac{d}{dx}\left(x^4-x+1\right)\left(x^4+x+1\right)-\left(x^4-x+1\right)\frac{d}{dx}\left(x^4+x+1\right)}{\left(x^4+x+1\right)^2}.
d/dx(((x^4-x+1)/(x^4+x+1))^(1/2))
Risposta finale al problema
$\frac{\left(4x^{3}-1\right)\left(x^4+x+1\right)+\left(-x^4+x-1\right)\left(4x^{3}+1\right)}{2\left(x^4+x+1\right)^2}\sqrt{\frac{x^4+x+1}{x^4-x+1}}$