exam Maths Puzzle Numerical Ability

Expand and simplify: ln(xe)
Thats the problem that has been driving me crazy. I dont uderstand how logarithms work so any help with this is very much appreciated. Thanks so much!

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exam Other Question

The problem states to simplify this equation.

(x-1)/(x^2+ 1) ∙ (x^(4 )- 1)/((x-1)�) ∙ (x^2- 1)/(x^4- 2x^2+ 1)

Hope I typed write an equation of the line that passes through the given point and has the given slope.
(2,3),m=1/2