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deedy8095
01.07.2019 •
Mathematics
Which row of pascal’s triangle would you use to expand (2x + 10y)15? row 10 row 12 row 15 row 25
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Ответ:
Row 15 is correct
Step-by-step explanation:
Pascal's triangle:
1 n = 0 , Row = 0
1 1 n = 1 , Row = 1
1 2 1 n = 2 , Row = 2
:
.........
.......
For n = 0, Row number 1
For n = 1, Row number 2
For n = 2, Row number 3
We make pascal's triangle but sum of above two number, write below.
As we can see in pascal's triangle.
Exponent represent the number of row.
If binomial has exponent n then nth row of pascal's triangle use.
For![(2x+10y)^{15}](/tpl/images/0040/1896/60229.png)
Here power is 15
So, we have to use 15 row of pascal's triangle.
Hence, Row 15 is correct
Ответ:
ok
Explanation:
Governments have been facing many difficulties in Africa to keep the power and help their suffering poor people.frica could be a dreaming land for its citizens, but since "the old" slaves time they fight for freedom and justice. Lots of guerrilla groups have been trying to fight against the one swho try to keep peace and protect the population.
Another main point to be considered refers to the illegal traffic of gold, ivory and diamond that make lots of citzens to be forced to work a lot, gain nothing as if they were slaves.