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\frac{14}{7} N + \frac{4}{2} H e \to X + {}_{1}^{1}H;

এখানে X নিচের কোনটি?

\frac{11}{6} C

\frac{16}{7} N

\frac{17}{8} O

\frac{16}{8} O

ANS : 3

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