Найдите значение выражения при а=16,в=9 (а^1/4 поделить на а^1/4-в^1/4 минус вторая дробь в^1/4 дробь а^1/4+ в^1/4): а-в поделить 4а - 4а^1/2 в^1/2

[latex]1) a^{1/4} /( a^{1/4} -b ^{1/4} )- b^{1/4} /( a^{1/4} +b ^{1/4} )=[/latex][latex]( a^{1/2} +(ab) ^{1/4} -(ab) ^{1/4} + b^{1/2} )/( a^{1/2} -b ^{1/2} )=(a ^{1/2} +b ^{1/2} )/( a^{1/2} -b [/latex][latex] ^{1/2} )[/latex] [latex]2)( a^{1/2} +b ^{1/2})/(a ^{1/2} -b ^{1/2} )*4a ^{1/2}(a ^{1/2} -b ^{1/2} )/(a ^{1/2} +b ^{1/2}) [/latex][latex](a ^{1/2} -b ^{1/2} )=4a ^{1/2} /(a ^{1/2}-b ^{1/2}) [/latex]