12x + (-3y) + 4x + (-z)
12 (3) + -3 (13) + 4 (3 ) + (-5)
36 + -39 + 12 + (-5)
36 + 12 -39 - 5
48 - 44
4

$=\sqrt{4^2}\times\sqrt{2^2\cdot3}$
$=4\times2\sqrt3=8\sqrt3$
Answer:
ln6 = 1.79
Step-by-step explanation:
The logarithm here has base e so it is a natural logarithm.


According to the product rule of logarithms



∴ ln6 = 1.79