[tex]p=( \frac{2}{ \sqrt{7}+ \sqrt{5} }+ \frac{3}{ \sqrt{5}- \sqrt{2} } )^{2} *( \frac{18+4 \sqrt{14} }{8} )^{-1}
[/tex]
[tex]p=( \frac{2( \sqrt{7}- \sqrt{5}) }{2} + \frac{3( \sqrt{5}+ \sqrt{2} }{3})^{2}*( \frac{2(9+2 \sqrt{14} }{8})^{-1} [/tex]
[tex]p=( \sqrt{7}- \sqrt{5}+ \sqrt{5}+ \sqrt{2})^{2} *( \frac{9+2 \sqrt{14} }{4}) ^{-1} [/tex]
[tex]p=(7+2 \sqrt{14}+2)* \frac{4}{9+2 \sqrt{14} } [/tex]
[tex]p=(9+2 \sqrt{14} )* \frac{4}{9+2 \sqrt{14} } [/tex]
p=4
