Question

if a + b + c is equals to 12 and a square + b square

+ c square is equals to 50 find the value of AB + BC + CA​

Answer 1

Answer:

12 - √50

=12 -5√2

Step-by-step explanation:

hope it helps

Mark as brainliest

Answer 2

Step-by-step explanation:

(a+b+c) ^2=a^2+b^2+c^2+2(ab+bc+ca)

(12)^2=50+2(ab+bc +ca)

144-50=94=2(ab+bc+ca)

(ab+bc+ca)=94/2 =47