Question

If a-b= 1, a²+b² = 13 find ab

​

Answer 1

ANSWERGiven, a + b = 5 and a 2 +b 2 =13On squaring a + b = 5 both sides, we get(a+b) 2 =(5) 2 a 2 +b 2 +2ab=2513+2ab=25⇒2ab=25−13=12⇒ab=12/2=6∴ab=6...........

Answer 2

Answer:

a= 3 and b = 2 . is the correct answer.

because:

3-2=1 and 3×3 + 2×2 = 13

therefore ab= 6

please mark me in brainlist