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