Number of Antisymmetric relations

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how( 0, 0) is possiable its antisymmetric if (a, b) belongs to R so (b.a) doesnt belongs to R so how it possiable ?

ramashishkumar
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very clear which is the best i've seen, and thanks for subtitle.
but I have other stupid question, which is why we made 3^((n^2-n)/2), is there any function lead to 3^elements?
(I know nC0+nC1+nC2+...+nCn=2^n) but i don't konw why we can use 3^ to do this.
I will be very appretiate anwsering this question.

lighteningggg
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3 way of selection ka reason galat bataya aapane
(0, 0 )possible
(1.1) possible
And (1, 2) (2, 1) mein se koi ek possible tab anti- symmetric relation hoga matlab
(0, 0), (1,1), (1, 2) ya phir ye (0, 0), (1, 1), (2,1). Sorry sir bura lga ho to 🙏🙏

DVDmathsacadmy
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Ye ques kahan se h konsi book se h plz reply

hemakaushik