ivdfrac barr 3 2-3 vecV left(... | See how to solve it at QANDA

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Calculus

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search-thumbnail-a) Find $d$ $\dfrac {dy} {dx}$ $f0r$
$\left(\right)$ $y=\sqrt{\dfrac {x^{3}} {x^{2}-}} $ $1$ $\left(i\right)$ $y=\dfrac {tanx} {1+sin}x$ $\left(i\right)y=$ $x^{\dfrac {e^{x}} {2-3}}$

Calculus

search-thumbnail-
i
$x\left(\dfrac {3y} {2x}\right)=\dfrac {2} {2x}\left(y$ $-\dfrac {a} {x}^{3}\right)$ $2$ $=$ $-a^{3}\left(\dfrac {2} {x3}\right)$
= $-$ $-a^{3}$ $2$ $3\left(-\vec{x3} \right)$
2-
$=$ $\dfrac {ga} {x3}^{3}$

Calculus

search-thumbnail-Ex. $7.$ Prove that (fag a $\right)$
$diy\left(r$ grad $1\dfrac {1} {r^{3}}\right)=\dfrac {3} {r^{4}}=V.\left(rV\left(\dfrac {1} {\bar{r} ^{3}}\right)\right)$

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