write the expression as a single natural logarithm. 2 ln x – 4 ln c
a. in x^2/c^4
b. in (x^+c^4)
c. in (x^2-c^4)
d. in c^4/x^2

A.

Step-by-step explanation:

There are some natural log rules as;

Product rule→ln(x∙y) = ln(x)+ln(y)

Quotient rule→ ln(x/y) = ln(x) - ln(y)

Power rule→ ln(x y) = y∙ln(x)

Given expression: 2ln x-4 ln c

Thus, A is the right answer.

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