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posledela
3 years ago
9

Find the sum of the terms. The numerator of the simplified sum is

Mathematics
1 answer:
klio [65]3 years ago
8 0

Answer:

4x+6 is the numerator.

Step-by-step explanation:

The given term is:

\dfrac{x}{x^{2}+3x+2 }+\dfrac{3}{x+1}

First of all, let us have a look at the denominator of the 1st term:

x^{2}+3x+2

Factorizing by writing 3x as 2x+x and then taking 'x' and '1' common respectively:

x^{2}+2x+x+2 \\\Rightarrow x(x+2)+1(x+2 )\\\Rightarrow (x+1)(x+2 )

Now, solving the given expression by taking LCM:

\dfrac{x}{(x+{2})(x+1)}+\dfrac{3}{x+1}\\\Rightarrow \dfrac{x+3(x+2)}{(x+{2})(x+1)}\\\Rightarrow \dfrac{x+3x+6}{(x+{2})(x+1)}\\\Rightarrow \dfrac{4x+6}{(x+{2})(x+1)}

Any expression \frac{p}{q} has p as its numerator and q as its denominator.

So, the numerator of simplified term is:

4x+6

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