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If n(1)+n(2) = 4 "and" n(2)^(2)-n(1)^(2)...

If `n_(1)+n_(2) = 4 "and" n_(2)^(2)-n_(1)^(2)= 8,` then calculate maximum value of wavelength emitted in transition form `n_(2) to n_(1) "for"Li^(2+) "in nm[Given"R_(H) = 10^(7) m^(-1)].`

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