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Question Number 198313 by sonukgindia last updated on 17/Oct/23

Commented by deleteduser1 last updated on 17/Oct/23

n^2 ≡34(mod 15)?⇒n^2 ≡4(mod 15)  ⇒n=2,7,8,13(mod 15)

$${n}^{\mathrm{2}} \equiv\mathrm{34}\left({mod}\:\mathrm{15}\right)?\Rightarrow{n}^{\mathrm{2}} \equiv\mathrm{4}\left({mod}\:\mathrm{15}\right) \\ $$$$\Rightarrow{n}=\mathrm{2},\mathrm{7},\mathrm{8},\mathrm{13}\left({mod}\:\mathrm{15}\right) \\ $$

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