Question

if a+b= 5 and ab=12 then what is the value of a² + b²
a) 3
b) 6
c) 1
d) none
e) 2​

Answer 1

Step-by-step explanation:

(a+b)^2=a^+b^2+2ab

25=a^2+b^2 +24

25-24=a^+b^.

a^2+b^=1