expand (1+2x+3x2 )n in a series of ascending powers of x upto and including the terms in x2 - Maths - Binomial Theorem

Question

expand (1+2x+3x​2 )n in a series of
ascending powers of x upto and including the terms in x2

Brijendra Pal · Accepted Answer

Dear Student,
The expansion will be:
<img src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ana_qa_image_57b2f1814ee3e%20png">

Regards

expand (1+2x+3x​2 )n in a series of ascending powers of x upto and including the terms in x2