Question

+
-9 1-9
10. Which of the following is the result of 15 ?
11 3 11​

Answer 1

a) −

11

9

,

−99

81

⇒−

11

9

,−

11×9

9×9

So both are equivalent.

b)

15

−12

,

−60

36

⇒−

15

12

,−

15×4

12×3

So both are not equivalent.

c)

11

−5

,

−33

−15

⇒−

11

−5

,

11×3

5×3

So both are not equivalent.