Problema Solution
If a+b =5 and ab=6 ,Find a2 + B2
Answer provided by our tutors
a+b =5
(a+b)^2 =5^2
a^2 + 2ab + b^2 = 25
Plug ab = 6 into the above equation:
a^2 + 2*6 + b^2 = 25
a^2 + b^2 = 25 - 12
a^2 + b^2 = 13
If a+b =5 and ab=6 ,Find a2 + B2
a+b =5
(a+b)^2 =5^2
a^2 + 2ab + b^2 = 25
Plug ab = 6 into the above equation:
a^2 + 2*6 + b^2 = 25
a^2 + b^2 = 25 - 12
a^2 + b^2 = 13