Question

[๖²⁴ʱ乂ų✌й๏✌ρɾ๏༉]

cho ba số thực a,b,c dương . chứng minh rằng :

\(\sqrt{\dfrac{a^3}{a^3+\left(b+c\right)^3}}\)+ \(\sqrt{\dfrac{b^3}{b^3+\left(c+a\right)^3}}\)+\(\sqrt{\dfrac{c^3}{c^3+\left(b+a\right)^3}}\)≥1

Answer 1

[Minh Phương]

bn tham khảo nha

https://hoc24.vn/cau-hoi/cho-ba-so-thuc-abc-duong-chung-minh-rangsqrtdfraca3a3leftbcright3sqrtdfracb3b3leftcaright3sqrtdfracc3c.5222680437292