Question

Verify that (x + y)is either less than or equal to|x|+|y| for the following values of x and y:
a)x=2/5 y=-3/5​

Answer 1

Answer:

Step-by-step explanation:

|x + y|

l 2/5-3/5​l

|(2-3)/5 |

|-1/5| =1/5

|x|+|y|

l 2/5 l + l -3/5​ l

2/5 +3/5​

(2+3)/5=1

|x|+|y| is greater