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amunnik04
11.11.2019 •
Mathematics
What is the third term in the expansion of the binomial (2x + 5)^5?
(and how do you figure out what term is which? )
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Ответ:
The first term of the expansion is when r = 0 ; thus the second is when r = 1 and the third when r = 2.
The terms of the expansion are:
32x⁵ + 400x⁴ + 2000x³ + 5000x² + 6250x + 3125
↓
third term as stated
I ATTACHED THE METHOD OF ARRIVING AT THE ANSWER EASILY BELOW
Ответ:
10
Step-by-step explanation:
let n represent the number
sum means to add
product means multiply
n + 9 < n • 4
if you fill in 10 for your variable n you will get:
19 < 40
10 plus 9 is 19
10 by 4 is 40
and
because 19 is less than 40 that statement is true