The binding energies of deuterium (.1H^2...

The binding energies of deuterium `(._1H^2)` and helium `(._2He^4)` per nucleon are 1.1 MeV and 7.0 MeV respectively . When a helium nucleus `(._2He^4)` is formed by fusion of two deuterium nuclei then how much energy will be evolved ?

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23.6 MeV

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