Question

x=7/-9; y=-13/27 verify |x+y|<=|x|+|y|​

Answer 1

Answer:

|x+y| =|x| + |y|

x = -7/9 , y = -13/27

|-7/9 -13/27| = |-7/9| + |-13/27|

|(-21-13)/27| = 7/9 + 13/27

|-34/27| = (21+13)/27

34/27 = 34/27

LHS = RHS