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Answer is : 194NEED EXPLANATION |
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Answer» x=7+4√3 then x^2= 49+48+56√3=97+56√7y=7-4√3 then y^2=49+48-56√3=97-56√3given in queation1/x^2 +1/y^2(x^2+y^2)/x^2y^2put the VALE of above[97+56√3 +97-56√3]/(97+56√3)(97-56√3)194/97^2-56√3^3194/9409-9408194/1194 ANSWER |
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