Question

verify that |x+y| < |x| + |y| for x = 2 and y = -3

Answer 1

Answer:

X= 2 and y = - 3

then ,

$|x + y| = |2 - 3| = | - 1| = 1$

$|x| = |2| = 2$

$|y| = | - 3| = 3$

$|x| + |y| = 2 + 3 = 5$

then

$|x + y| < |x| + |y|$

verified