"A few years ago" is used to indicate a small, indefinite number of years in the past, while "few years ago" implies a more specific, limited number of years in the past.
Is it better to say "a few years ago" or "several years ago"? Both phrases are correct, but "a few years ago" generally implies a shorter timeframe than "several years ago".
See how to use a few years ago in a sentence. Lot of example sentences with the word a few years ago.
As we can see from the illustration, A Few Years Ago has many fascinating aspects to explore.
This detailed explanation of a few years ago provides insights into its meaning, usage, and context, helping learners effectively understand and use the phrase in conversation.
few years ago vs a few years ago which is much better to use in a sentence. Which is more popular in English form?

There's no difference it's the same, there's no specific context to use these sentences. |I agree, they have the same meaning. Although " a few years back" is very casual and you would not use it in formal English. You can use "a few years ago" in both casual and formal English.
If you use the word ago (rather than before, previously, etc.), you are automatically speaking/writing from the perspective of the present, so its not necessary to add now, although this is an option. I began cycling to work when I got a job nearer home. That was a few years ago now.

Remember a few years ago... ... 12 years ago 12 years ago ... Funny Memes - remember a few years ago
a few years ago everyone was laughing at you ... i'd like to have sex one more time with my wife who passed away from cancer 9 years ago , i also ...