(D^2+2D+1)y=xCosx

[@TJBTECH]

Thanks 😊 madam

[@harbanslalmandal353]

Mam just a small doubt (2D+2)(sinx)/2D will give same ans as (1+1/D)sinx?

[@MathsPulseChinnaiahKalpana]

Sometimes number of terms may decrease by choosing a method.

[@Niranjan_kumar-ej1yt]

Very well done ❤❤❤

[@mausamthapa3007]

Thank you so much mam

[@bhatakmat0029]

I have no word for this solution 💯💯❤️❤️

[@satgoukipgen6689]

Maam shouldn't integration of cosx w.r.t x be -sinx😄

[@fansofficial3423]

Madam upload variation of parameters sums