Question

C= \(\frac{2.I7.x+5I+11}{I7.x+5I+14}\)

I là giá trị tuyệt đối nhé

Answer 1

\(\frac{2I7x+5I+11}{I7x+5I+14}\)=\(\frac{2\cdot11}{14}\)=\(\frac{22}{14}\)=\(\frac{11}{7}\)