If $ax = by = cz$, then $\dfrac{x^2}{yz} + \dfrac{y^2}{zx} + \dfrac{z^2}{xy}$ equals—

Question

Accepted Answer

$\dfrac{bc}{a^2} + \dfrac{ca}{b^2} + \dfrac{ab}{c^2}$

Answer

$\dfrac{1}{a} + \dfrac{1}{b} + \dfrac{1}{c}$

Answer

$abc$

Answer

$a + b + c$

If ax=by=czax = by = czax=by=cz, then x2yz+y2zx+z2xy\dfrac{x^2}{yz} + \dfrac{y^2}{zx} + \dfrac{z^2}{xy}yzx2​+z equals—