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igor_vitrenko [27]
3 years ago
10

*PLEASE ANSWER, DIFFICULT QUESTION*

Mathematics
1 answer:
Dimas [21]3 years ago
7 0

the set of solutions of the equation |f(x)|=a

is always equivalent to sum of sets of solutions of equations:

f(x)=a

and

f(x)=-a

therefore correct answer is the first and the second equation

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