Question

aratati ca daca 2a=3b=5c atunci numerele a b c sunt invers proportionale cu numerele 2 3 si 5

Answer 1

 [tex]sa\;vedem\;ce\;se\;intampla\;invers?\\ adica:\;\;daca\;\;(a;b;c;d)\,i.p.(2;3;5)\;\;\;\\ atunci\,,\;\frac{a}{\frac{1}{2}}=\frac{b}{\frac{1}{3}}=\frac{c}{\frac{1}{5}}=a*2=b*3=c*5 [/tex]