(6+√3+√5)^2-(√3+√5)^2=?  Select the correct option: A) 1+2√3+2√5 B) 36+12√3+12√5 C) 1-√3+√5 D) 1+√3-√5 E) √3+√5
(6+√3+√5)^2-(√3+√5)^2   (6+√3)^2 + 5 +2 (6+√3) (√5) - ( 3 +5 + 2√3√5)   36+ 3+ 12√3 +5 +12 √5 + 2 √15 - 3-5 -2√15   36+12√3+12√5   36+12√3+12√5 is the answer
<result>B</result>
(6+√3+√5)^2-(√3+√5)^2=?