do i have to make the graph
you draw 4 lines x+y=3 x+y=-3 x+y=5 x+y=-5 you will see thin strips that is the desired area
do i have to make the graph
you draw 4 lines x+y=3 x+y=-3 x+y=5 x+y=-5 you will see thin strips that is the desired area
thank u guys.. even i thought this will not be defined.. first i also found 32.. tx anyways :)