Question

Which is a counterexample for the following statement?

The sum of two numbers is smaller than the product of the same numbers.

–2 and –8
–1 and –3
1 and 3
2 and 8

Answer 1

Answer :
2 and 8
1 and 3

Answer 2

2 and 8

1 and 3

Explanation:

statement a+b < a*b

-2 + -8 < -2 * -8 => -10 < 16 TRUE

-1 + -3 < -1 * -3 => -4 < 3 TRUE

1+3 < 1*3 => 4 < 3 FALSE

2 + 8 < 2 * 8 => 10 < 16 FALSE