Exponential series -Sum to infinity problems

[@Angelwithsteth]

Really thanks a lot nney❤🥺.... I had finally found the best explanation video and thanks for you for your effect anney....

[@MalathiReshma]

Thank u so much anna ❤ I can see many video but I am could understand exponential series after I see your video I could understood about exponential series thanks anna

[@SeethaP-zg1qb]

Sir is this way to answer all the questions in infinity series?