quantamagic
12.12.2020 •
Mathematics
How do you do this i need help
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Ответ:
the 2 main ones are
1.having a negative result under the squaer root sign
2. dividing by zero
example
√(x-3)=y
x cannot be any number less than 3
example the equation 3/x, 0 is a restricted value for x
3/(x+2), -2 is a restricted value for x