Mathematics: Refer to pascal s triangle. draw a circle around the element denoted by:

Refer to pascal s triangle. draw a circle around - id2335011, adelarangelmartinez

Ответ:

Ezonthekid

02.01.2022

'6 choose 4' is how it's read
$\left(\begin{array}{ccc}n\\k\end{array}\right)$ = $\frac{n!}{k!(n-k)!}$
so

$\left(\begin{array}{ccc}6\\4\end{array}\right)$ = $\frac{6!}{4!(6-4)!}$ = $\frac{720}{24(2)!}$ = $\frac{720}{48}$ =15

that means the coeficient of the 5th term is 15

or remember that

$\left(\begin{array}{ccc}n\\k\end{array}\right)$ is for a binomial to the nth power, to find the k+1 term
so
4+1=5
look at row coresponding to 6th power (7th row from top)
cound 5 from left to right
get 15
15(a)^1(b)^5 is 5th term in binomial (a+b)^6

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Ответ:

shymitch32

29.11.2020

Mathematics

7 yds

Step-by-step explanation:

the sides known are 3+3+4 = 10

17 is the total - 10 is what we know leaves 7 for the remaining side

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Refer to pascal's triangle. draw a circle around the element denoted by:

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