What transition of Li^(2+) spectrum will have the same wavelength asthat of the second line of Balmer series in He^(+) spectrum ?

What transition of Li^(2+) spectrum will have the same wavelength asth

1.	What transition of Li^(2+) spectrum will have the same wavelength asthat of the second line of Balmer series in He^(+) spectrum ?
Answer» ANSWER :`n_2=6" to " n_1=3`