Question

if a^2+b^2=10 ab=30 find(a+b)​

Answer 1

Step-by-step explanation:

By putting and equating the value.

Answer 2

Step-by-step explanation:

a²+b² =10

ab =30

Now,

(a+b)² =a²+b²+2ab

(a+b)² = 10+2×30

(a+b)² = 10+60

(a+b)² = 70

a+b = 70½