Question

If a > 0 and b < 0, then |a|- |b|− =​

Answer 1

Answer:

Since ab = 0, it follows that a = 0 or b = 0. If a = 0, then a + b = b. Since a + b = 0, it then follows that b = 0. Hence it then follows that a = 0 and b = 0.

Step-by-step explanation: