Question

If a =3 and ab =6 then a²-b² =

Answer 1

Explanation:

If a =3 and ab =6 then a²-b² =

a = 3

ab = 6

find b

b = 6:3 = 2

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3² - 2² =

9 - 4 =

5

Answer 2

5

Explanation:

a = 3

ab = 6

so b must be 2

3 squared is 9 and 2 squared is 4

so 9 - 4 is equal to 5