gulledomar23 gulledomar23
  • 09-08-2021
  • Mathematics
contestada

Find the coefficient of the x4y2
term in the expansion of
(3x - y)
[ ? ]xy?



URGENT! Picture included

Find the coefficient of the x4y2 term in the expansion of 3x y xy URGENT Picture included class=

Respuesta :

caylus
caylus caylus
  • 09-08-2021

Answer:

Hello

answer 1215

Step-by-step explanation:

As exponent of y is even sign is positive

Let's make the Pascal's triangle

[tex]\begin{array}{c|ccccccc}degree&x^6&x^5y&x^4y^2&x^3y^3&x^2^y^4&xy^5&y^6\\1&1&1\\2&1&2&1\\3&1&3&3&1\\4&1&4&6&4&1\\5&1&5&10&10&5&1\\6&1&6&15&20&15&6&1\\\end{array}\\\\answer\ 3^4* 15=1215[/tex]

Answer Link

Otras preguntas

choose the indefinite article that means "abrigo"?
Which of the following statements is true? Bone is not an actual tissue because it is too hard. The most abundant tissue in most animals is muscle tissue. A
Which relationship describes angles 1 and 2? linear pair adjacent angles complementary angles vertical angles
Describe several properties of genes
What is the slope of the line through (1,-1)(1,−1)
Can someone plz help me. Look at the file.
PLEASE HELP ASAP Estrogen is produced by women much more than by men. True False
what did Muhammad do when he returned to mecca?
Evaluate 4|-2| - |-3|
What is 4÷628??? ANSWER PLS