If a-8=b, then determine the value of |a-b| -|b-a|. · ABC26GN0980

Subject: General Aptitude · Chapter: Simplification

If $a-8=b$, then determine the value of $|a-b|$ $-|b-a|$.

(a)0

(b)2

(c)4

(d)16

Answer

Answer (as printed): A

Explanation

$a-8=b \Rightarrow a-b=8$ and $b-a=-8$. $$\therefore \quad|a-b|-|b-a|=|8|-|-8|=8-8=0 .$$

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Simplification