Question

find a²+b² when a+b=7and ab=12​

Answer 1

Answer:

a²+b²=25

Step-by-step explanation:

(a+b)²=a²+b²+2ab

(7)²=a²+b²+2(12)

49=a²+b²+24

a²+b²=49-24

a²+b²=25

Answer 2

Answer:

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