ඉරට්ටේ ශ්රේණි වල පදයක් සොයන විට a + (n-1)d කියන සූත්රෙට n=0 දාගෙන ගත්තොත් පළමු පදය හැදෙන්නේ කොහොමද?
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Public learning profile
@dilini-wijesinghe-026
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O/L Student
Learning in public, one good question at a time.