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X Mathematics Identity |ʌɪˈdɛntɪti| Noun Fact Person Thing

Front identity
|ʌɪˈdɛntɪti|
Back noun
1
the fact of being who or what a person or thing is:
2
a close similarity or affinity:
3
Mathematics
a transformation that leaves an object unchanged.
4
Mathematics
the equality of two expressions for all values of the quantities expressed by letters, or an equation expressing this, e.g. ( x + 1)2 = x 2 + 2 x + 1.

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