Question

if a + b = 5 and a^2 + b^2 = 15, find ab​

Answer 1

Answer:

ab=5

Step-by-step explanation:

a2+b2=(a+b) ^2-2ab (formula)

15=(5)^2-2ab

2ab=25-15

2ab=10

ab=10/2

ab=5 //

make me brainliest!!

;)