Question

ab=10 , a+b = 10
find a²+b²​

Answer 1

Answer:

80

Step-by-step explanation:

a+b = 10

s. O. b. s

(a+b) 2

a2+2ab+b2= 100

a2+2(10)+b2=100

a2+b2=100-20

a2+b2=80