Simplifying using the rule of logs How would you simplify: [(16)/5 ln(x + 2) - 1/5 ln(x - 3) - ln x]_4^6 and put it in the form ln(m/n). Stating the values of m and n.

VarceprewN3M

VarceprewN3M

Answered question

2022-11-24

Simplifying using the rule of logs
How would you simplify: [ 16 5 ln ( x + 2 ) 1 5 ln ( x 3 ) ln x ] 4 6 and put it in the form ln m n . Stating the values of m and n.

Answer & Explanation

DelmagnoIHb

DelmagnoIHb

Beginner2022-11-25Added 6 answers

The expression evaluated at x = 6 is
16 5 ln 8 1 5 ln 3 ln 6 = 48 5 ln 2 1 5 ln 3 ln 2 ln 3 = 43 5 ln 2 6 5 ln 3
Evaluated at x = 4 it is
16 5 ln 6 1 5 ln 1 ln 4 = 16 5 ln 2 + 16 5 ln 3 2 ln 2 = 6 5 ln 2 + 16 5 ln 3
Thus the difference is
43 5 ln 2 6 5 ln 3 6 5 ln 2 16 5 ln 3 = 37 5 ln 2 22 5 ln 3 = 1 5 ln 2 37 3 22
There's no way to represent it as ln ( m / n ), because this would mean
( m n ) 5 = 2 37 3 22
and this is impossible with integer m and n.

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