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Tʜᴇ ᴍᴇᴀɴ ᴏғ 'ɴ' ɴᴜᴍʙᴇʀs ᴏғ ᴀ sᴇʀɪᴇs ɪs x. Iғ ᴛʜᴇ sᴜᴍ ᴏғ ғɪʀsᴛ (ɴ-1) ᴛᴇʀᴍs ɪs 'ᴋ', ᴛʜᴇɴ ᴛʜᴇ ɴ'ᴛʜ ɴᴜᴍʙᴇʀ ɪs»»————> ᴡᴀɴᴛ ᴄᴏʀʀᴇᴄᴛ ᴀɴsᴡᴇʀ, ɴᴏ sᴘᴀᴍ , sᴘᴀᴍᴍᴇʀs sᴛᴀʏ ᴀᴡᴀʏ |
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Answer» Mean = X Nth number = ? So N Term = Sum if n terms - Sum of (n-1)term = NX-K |
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