.
+ 1 = 0 ====>
= ====>
may have one of the two values: = or = .
Case 1. If = , then the solutions for in the interval [0,) are these TWO values:
= and/or = = .
Case 2. If = , then the solutions for in the interval [0,) are these TWO values:
= and/or = = .
Answer. The given equation has 4 (four, FOUR) solutions in the interval [0,):
, , , and .
The plot below visually confirms existing of 4 solutions:
Plot y =
SOLVED.
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N O T E. All the part of the condition IN PARENTHESES makes no sense and IS NOT RELEVANT to the problem at all.
When I see such a NONSENSE in the condition, I become sad,
because I clearly see that the person who prepared this post does not understand WHAT HE IS WRITING.