Question

If a+b=5 and ab=0 then what is the value pf a²+b²​

Answer 1

Answer:

a+b = 5

squaring on both sides

(a+b)² = 5²

a²+b²+2ab = 25

a²+b²+2(0) = 25

a²+b²+0 = 25

a²+b² = 25