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10 votes
10 votes

(4√(3) - 12√(5) )/(2√(3)+8√(5) ) * (2√(3) - 8√(5) )/(2√(3) - 8√(5))

User Ac
by
2.9k points

2 Answers

16 votes
16 votes

Explanation:

-18-2√15/11

User Arrtchiu
by
3.0k points
12 votes
12 votes

Answer:


  • (2√(15)-18)/11

Explanation:


  • (4√(3)-12√(5))/(2√(3)+8√(5))*(2√(3)-8√(5))/(2√(3)-8√(5)) =

  • (4√(3)-12√(5))(2√(3)-8√(5))/(2√(3)+8√(5))(2√(3)-8√(5))=

  • (8*3- 32√(15) -24√(15) +96*5)/(4*3-64*5)=

  • (24+480-56√(15))/(12-320)=

  • (504 - 56√(15))/(-308) =

  • (2√(15)-18)/11
User Antnewbee
by
3.4k points