Question

Evaluate |x|/x + |y|/y given that x = 2 and y = -4?

Evaluate `|x|/x + |y|/y` given that `x = 2 and y = -4`?

Answer 1

`0`

Explanation:

`"note that "|a|=|-a|=a`

`rArr|2|/2+|-4|/(-4)`

`=2/2+4/(-4)=1+4/(-4)=1-1=0`