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AnnyKZ [126]
3 years ago
15

Is (fg)(0)=(f/g)(0)? Explain

Mathematics
2 answers:
AfilCa [17]3 years ago
6 0

Answer:

No, not in general, but you could say sometimes. See examples.

Step-by-step explanation:

Example 1: Choose f(x)=e^x and g(x)=x

(fg)(0)

(f(0))(g(0))

(e^0)(0)

(1)(0)

0

\frac{f}{g}(0)

\frac{f(0)}{g(0)}

\frac{e^0}{0}

\frac{1}{0} which is a not a number.

Example 2: Choose f(x)=x-1 and g(x)=x-2

(fg)(0)

(f(0))(g(0))

(0-1)(0-2)

(-1)(-2)

2

\frac{f}{g}(0)

\frac{f(0)}{g(0)}

\frac{0-1}{0-2}

\frac{-1}{-2}

\frac{1}{2}.

Example 3: Choose f(x)=x and g(x)=1.

(fg)(0)

(f(0))(g(0))

(0)(1)

0

\frac{f}{g}(0)

\frac{f(0)}{g(0)}

\frac{0}{1}

0

So as you can see they are sometimes equal and sometimes not. It will depend on the functions.

Mashcka [7]3 years ago
5 0
I mean anything x0 is 0 so I believe the answer is 0
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