Math, asked by 8705, 4 months ago

Find the value of a2+b2 if a+b=5 ab =5

Answers

Answered by mshibli

1

Answer:

a²+b²

Squaring both sides

(a+b)² = 5²

=> a²+b²+2ab = 25

=> a²+b²+2× 5=25

=> a²+b²+10=25

=> a²+b²= 25-10

=> a²+b²= 15

Answered by bson

1

Step-by-step explanation:

(a+b)² =5²=25

a²+b²+2ab = 25

a²+b²+2*5 = 25

a²+b²+10 =25

a²+b² = 25-10 = 15

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