Question

Please simplify this three questions​

Answer 1

Solution is

2005, Nature published a peer review comparing 42 hard science articles from Encyclopædia Britannica and Wikipedia and found that Wikipedia's level of accuracy approached that of Britannica,[21] although critics suggested that it might not have fared so well in a similar study of a random sampling of all articles or one focused on social science or contentious social issues.[22][23] The following year, Time magazine stated that the open-door policy of allowing anyone to edit had made Wikipedia the biggest and possibly the best encyclopedia in the world, and was a testament to the vision of Jimmy Wales.[24]

Wikipedia has been criticized for exhibiting systemic bias and for being subject to manipulation and spin in controversial topics;[25] Edwin Black has criticized Wikipedia

Answer 2

Answer:

1. 0

2. 0

3.

$\frac{22 \sqrt{3} }{(3 + 2 \sqrt{5}) }$