Question:
If a, b, c are real and a² + b² + c²= 1, then ab + bc + ca
Last updated: 7/14/2022
![If a, b, c are real and a² + b² + c²= 1, then ab + bc + ca](https://media.kunduz.com/media/sug-question/raw/58945994-1657792094.6419349.jpeg?h=512)
If a, b, c are real and a² + b² + c²= 1, then ab + bc + ca lies in the interval: 1 (A) (B) [0, 2] 9[-2] ON (D)
Last updated: 7/14/2022
If a, b, c are real and a² + b² + c²= 1, then ab + bc + ca lies in the interval: 1 (A) (B) [0, 2] 9[-2] ON (D)