find the value of a+b+c when a2+b2+c2 =56 and a+b+c=12
Answers
Answered by
0
HEY BROH HERE IS UR ANSWER
Step-by-step explanation:
40
as (a+b+c)^2 = a^2 + b^2 + c^2 + 2(ab+BC+CA)
144= 64 + 2(ab+BC+CA)
ab+BC+CA =40
Answered by
0
Answer:
12
Step-by-step explanation:
you mentioned a+b+c=12 already i think you made a typo
this is not a answer its rather a indication you made a mistake
i will be happy to answer it once you rectify it
Similar questions