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R={(a,b) : a, b in N तथा a=b^(2)} द्वार...

`R={(a,b) : a, b in N `तथा `a=b^(2)}` द्वारा परिभाषित N से N में एक संबंध R है क्या निम्नलिखित कथन सत्य है ?
`(i) (a,a) in R`, सभी `a in N, (ii) (a,b) in R`, का तात्पर्य है कि `(b,a) in R`
(iii) `(a,b) in r, (b,c) in R` का तात्पर्य है कि `(a,c) in R` ?
प्रत्येक दशा में अपने उत्तर का ओचित्य भी बतलाइए।

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