At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga.
Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus.
Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get our expert's

answer on brainly

SEE EXPERT ANSWER

Get your **free** account and access **expert** answers to this and **thousands** of other questions.

See more answers at brainly.com

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your **free** account and access **expert** answers to this and **thousands** of other questions

u mean B=remaining 4 students

as an students A,B,C,D,E

hey but this listing all ABCDE method is time taking

so is this right 9!+8!+7!+6! ?
or aka 408960
?

425 is given

err I'm bad at counting sometimes
let me rethink

are u considering all pens are distinct or equal

\[{12\choose4}-{8\choose 4}\]

like your thinking and stuff
so i can have your counting wisdom

or do you understand @mathmath333 ?

stars and bars twice

i did'nt understand his logic

first he ignored the condition that A has 3 to 6 pens then he subtracted something

I ignored "at most 6 pens" then I subtracted the ones where there were 7 or more

r u still typong

I used this theorem for each of those 4 equations I wrote

thnks