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7 months ago

```							let (a. b) and (b, c) belong to R.so that a^2 + b^2 and b^2 + c^2 are both evenor a^2 + b^2 = 2mand b^2 + c^2 = 2p for some m and p belonging to Nadding both eqnsa^2 + c^2 + 2b^2= 2(m+p)or a^2 + c^2 = 2(m+p – b^2)= 2k, where k = m+p – b^2 also belongs to N since m, p, b all belong to N and a^2 + c^2 is bound to be positive.hence, a^2 + c^2= 2k implies a^2 + c^2 is even.whence (a, c) belong to R.so R is transitive.kindly approve :))
```
7 months ago
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