Find the value of n in the binomial expansion of (1+3)^n. The coefficient of X^2 = 495

preview_player
Показать описание

Рекомендации по теме
Комментарии
Автор

Studying for math exams and this has saved me a lot of time trying to figure it out! Can’t thank you enough!

nadat
Автор

thank you so much for saving me during my online lessons 😭

_amina
Автор

Wow, thank you so much! You explained this so much better than my textbook!

rohankuller
Автор

Thank you so much! It was confusing at first but your explanation made it better!

MarioMartinez-ierv
Автор

So perhaps if the coefficient was x cubed then r=3?
And if coefficient was x to the fourth power then r=4?

darenkaulsay