when using the binomial formula what is the correct expansion of (x+y)^4

Question

misty1212 · Answer

lol same as it is without the "binomial formula"
but we can do it for sure

anonymous · Answer

but the answer choices are long.

misty1212 · Answer

the first term will be $x^4$
the next one will be something times $x^3y$
the third one will be something times \)x^2y^2\)
the four will have a $xy^3$ and the last will be $y^4$

misty1212 · Answer

yeah it is long all right

anonymous · Answer

thank you :D

misty1212 · Answer

the coefficients you can get from the fourth row of pascal's triangle http://www.mathsisfun.com/pascals-triangle.html

misty1212 · Answer

you see it is $1,4,6,4,1$

misty1212 · Answer

so final answer will be $$x^4+4 x^3 y+6 x^2 y^2+4 x y^3+y^4$$
you want to check it?

anonymous · Answer

i go it. thank you!!