Factorize the following 4x+16y+24z
1 answer:
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Answer:
Step-by-step explanation:
(x+3)(x+3)
distribute the x to both three and x.
x * x + 3x * 3x
add like terms.
X^2 + 9x
Answer:
The formula is:
Step-by-step explanation:
The geometric sequences are those in which the division between the terms and
of the sequence are equal to a constant common reason called "r"
The geometrics secencias have the following form:
Where is the first term of the sequence
In this sequence we have the following terms
1.2, 3, 7.5, 18.75
Then notice that:
Then:
and
Finally the formula is:
Let's rewrite the binomial as:
Using the binomial expansion, we get:
For the 15th term, we want the term where r is equal to 14, because of the fact that the first term starts when r = 0. Thus, for the 15th term, we need to include the 0th or the first term of the binomial expansion.
Thus, the fifteenth term is:
Using the binomial expansion, we get:
For the 15th term, we want the term where r is equal to 14, because of the fact that the first term starts when r = 0. Thus, for the 15th term, we need to include the 0th or the first term of the binomial expansion.
Thus, the fifteenth term is: