Where does the money come from that is used to pay taxes?
2 answers:
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Question:
What is the common denominator of in the complex fraction
A)
B)
C)
D)
Answer:
Option D : 3 is the common denominator
Explanation:
It is given that the complex fraction
We need to determine the common denominator of from the complex fraction.
Let us consider the fraction
To find the common denominator, let us take LCM.
Thus, rewriting the above fraction as,
The LCM can be determined by multiplying the denominators.
Thus, we get,
Thus, the common denominator is 3.
Hence, Option D is the correct answer.
First, note that Then use the formula for the sum of perfect cubes:
Therefore,
The quadratic trinomial couldn't be factored anymore, so the expression
has two factors
and
Answer: correct choice is A.