Question

If a+b+c=9 and ab+bc+ca=40 find a+b+c

Answer 1

Answer:

9

Step-by-step explanation:

As you have given already the answer

What is x+y+z?It is 9

Answer 2

Answer:

PLEASE MAKE ME BRAINLIEST.

Step-by-step explanation:

I THINK YOU ARE ASKING ( FIND = A² + B² + C² ).