Question

|x|=-1
x belongs to ? Why?​

Answer 1

Answer:

x belongs to positive real no.

this is called mode 1 and its value is always taken as positive

branliest mark

Answer 2

Answer:

∣∣x−1∣+a∣=4

∣x−1∣+a=±4

⇒∣x−1∣=4−a or −4−a.

∴ for real x,

4−a≥0 or −4−a≥0.

⇒a≤4 or a≤−4

Step-by-step explanation: hope it helpfull yo