Can u explain it here written without peroxide br attach to more substituted end and with peroxide br attached to less substituted end ?

hope this will help you 🙏

https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Supplemental_Modules_(Organic_Chemistry)/Polymers/Hydrogen_Bromide_and_Aklenes%3A_The_Peroxide_Effect#:~:text=Because%20th...

it is written opposite according to markownikoffs rule br attach to less no H and anti markownikoffs rule with peroxide Br attached to higher no h attaching carbon

https://www.google.com/url?sa=t&source=web&rct=j&url=https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Supplemental_Modules_(Organic_Chemistry)/Polymers/Hydrogen_Bromide_an...

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.chem.ucla.edu/~harding/IGOC/P/peroxide_effect.html%23:~:text%3DPeroxide%2520effect%253A%2520The%2520change%2520in,t...

This is based on Markownikov and Anti markownikov addition reactio....with peroxide anti-markownikov addition occurs and Br (the negatively charged species) attached to carbon whic...