Question

If ( a+ b) = 12 and ab = 14, then find the value of (a²+b²).​

Answer 1

Step-by-step explanation:

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

12^2-2ab=a^2+b^2

144-28=a^2+b^2=116

Answer 2

Answer:

(a+b)² = a²+2ab+b²

12²-2ab= a²+b²

144-28= a²+b² = 116