Jika x= m/m+n dan y= n / m-n, nilai 1/x +1/y =…… .

By Admin ReiPosted on December 4, 2022

Jika x= m/m+n dan y= n / m-n, nilai 1/x +1/y =…… .

Jawaban Terkonfirmasi

$frac{1}{x} + frac{1}{y} = \ frac{1}{frac{m}{m+n}} + frac{1}{frac{n}{m-n}}= \ frac{m+n}{m} + frac{m-n}{n} = \ frac{n(m+n)+m(m-n)}{mn} = \ frac{mn+n^{2}+m^{2}-mn}{mn} = \ frac{m^{2}+n^{2}}{mn}$