Question

If a square+b square+c square=16 and ab+bc+ca=10,find the value of a+b+c

Answer 1

Answer:

answer is 6 to get the answer we must alzebra

Answer 2

Step-by-step explanation:

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

=> ( a + b + c )^2 = 16 + 2×10

=> ( a + b + c )^2 = 36

=> a + b + c = Root 36 = 6