Question

Daca a/b=c/d si ad=8,calculati valoarea expresiei (bc*bc)-6ad.

CU REZOLVARE,NU DOAR RASPUNSUL.

Answer 1

$\frac{a}{b} = \frac{c}{d}$

b*c=a*d
dar ad=8
deci b*c=8

 (bc*bc)-6ad.

(8*8)-6*8=
64-48=6