Question

Giúp mik vs ạ còn 6p thui ạ

Answer 1

a: \(\left\{{}\begin{matrix}x_I=\dfrac{x_A+x_B}{2}=\dfrac{0-a}{2}=\dfrac{-a}{2}\\y_I=\dfrac{y_A+y_B}{2}=\dfrac{b+c}{2}\end{matrix}\right.\)