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

It is nt correct.

Oh okay, can you show me what I did wrong?

what is the 5th row of pascal's triangle?

1,4,6,4,1

yes, and those will be your coefficients
now what are your terms?

x^4 + x^3y + x^2y^2 + xy^3 + y^4

no, you have ignored the coefficients in the terms themselves
they must remain...

1x^4+4x^3y+6x^2y^2+4xy^3+1y^4 ?

I included the 1,4,6,4,1 into the multiplying.

let's just look at the terms first without the coefficients then to see where you went wrong

oh yeah careless mistake there :) Wait we still have to multiply this with 1,4,6,4,1 right?

K so the final problem would be 81x^4+2268x^3y+2646x^2y^2+4116xy^3+2401 right? :)

besides that everything else is correct though

It should be 756x^3y right?

yes :)

\[(3 x+7 y)^4=81 x^4+756 x^3 y+2646 x^2 y^2+4116 x y^3+2401 y^4 \]

http://www.wolframalpha.com/input/?i=expand%20(3x%20%2B%207y)%5E4%20

Thx a ton @TuringTest for helping me with this problem :)

I know wolframalpha but I wanted to not use anything like that on my test so yeah :) Thx!

...and you're very welcome!

Oh okay thx :)