`b)B=5(sqrt{2+sqrt3}+sqrt{3-sqrt5}-sqrt{5/2})^2+(sqrt{2-sqrt3}+sqrt{3+sqrt5}-sqrt{3/2})^2`
`10B=25.2(sqrt{2+sqrt3}+sqrt{3-sqrt5}-sqrt{5/2})^2+5.2(sqrt{2-sqrt3}+sqrt{3+sqrt5}-sqrt{3/2})^2`
`10B=25(sqrt{4+2sqrt3}+sqrt{6-2sqrt5}-sqrt5)^2+5(sqrt{4-2sqrt3}+sqrt{6+2sqrt5}-sqrt3)^2`
`10B=25(sqrt{(sqrt3+1)^2}+sqrt{(sqrt5-1)^2}-sqrt5)^2+5(sqrt{(sqrt3-1)^2}+sqrt{(sqrt5+1)^2}-sqrt3)^2`
`10B=25(sqrt3+1+sqrt5-1-sqrt5)^2+5(sqrt3-1+sqrt5+1-sqrt3)^2`
`10B=25.3+5.5=75+25=100`
`=>B=10`
