Question

By taking x=2/5 and y=-3/10,verify the following:(a).|x+y|≤|x|+|y|(b).|xy|=|x|.|y|

Answer 1

Answer:

Step-by-step explanation:

a) 4/10+3/10=7/10 is only = 4/10+3/10, not <4/10+3/10

b) 2/5*3/10=6/50 is = 6/50

Answer 2

Step-by-step explanation:

a) 2/5 + 3/10

=5/15

2/5+3/10

= 5/15

5/15=5/15

b) 2/5 x 3/10

= 650

2/5X3/10

=650

6/50 =6/50