Question

Find the value of a-b, when a+b=9 and ab=20.​

Answer 1

Answer:

1

Step-by-step explanation:

a+b = 9 so Let's take A=5 ,b=4..9

AB=20 so 5×4.. 20

so A _ B(5-4) =1

Answer 2

Hope you understand the formula used. Thanks