Question

ab+ab+ab =30.find value of a&b

Answer 1

Answer:

3ab = 30

therefore ab = 10

a(b+b+b) = 30

a(3b) = 30

do , a = 27/3 = 9 and b = 1

Answer 2

Here a and b can have 4 possibilities :

a = 10 , b = 1

a = 1 , b = 10

a = 5 , b = 2

a = 2 , b = 5