DIFFERENTIAL COEFFICIENT
Calculus
Level
pending
SOLVE THE FOLLOWING...........
o
-1
1
modulus x by x
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1 solution
|x| = +x or -x............... if we notice that d/dx of x is 1...and after compairing the question there are two possible answer.... -1 and 1 for d/dx of |x|....... this relation is well defined on the relation |x|/X...........|x| represent both +x and -x............devided part x denote +1and -1........... please check and think carefully again.... |x|/x is right answer