Answer:
Arithmetic Progressions
The nth term of this sequence is 2n + 1 . In general, the nth term of an arithmetic progression, with first term a and common difference d, is: a + (n - 1)d . So for the sequence 3, 5, 7, 9, ... Un = 3 + 2(n - 1) = 2n + 1, which we already knew
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ɪɴ ɢᴇɴᴇʀᴀʟ, ᴛʜᴇ ɴᴛʜ ᴛᴇʀᴍ ᴏꜰ ᴀɴ ᴀʀɪᴛʜᴍᴇᴛɪᴄ ᴘʀᴏɢʀᴇꜱꜱɪᴏɴ, ᴡɪᴛʜ ꜰɪʀꜱᴛ ᴛᴇʀᴍ ᴀ ᴀɴᴅ ᴄᴏᴍᴍᴏɴ ᴅɪꜰꜰᴇʀᴇɴᴄᴇ ᴅ, ɪꜱ: ᴀ + (ɴ - 1)ᴅ .
Answer:
Arithmetic Progressions
The nth term of this sequence is 2n + 1 . In general, the nth term of an arithmetic progression, with first term a and common difference d, is: a + (n - 1)d . So for the sequence 3, 5, 7, 9, ... Un = 3 + 2(n - 1) = 2n + 1, which we already knew
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please I need only 19 Thanks to reach 1000