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If x+y alpha x-y show that x^3+y^3 alpha...

If `x+y alpha x-y` show that `x^3+y^3 alpha x^3-y^3`.

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UNITED BOOK HOUSE-SUJAPUR HIGH SCHOOL-EXERCISE
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  3. If x+y alpha x-y show that x^3+y^3 alpha x^3-y^3.

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  4. If x^2/(by+cz)=y^2/(cz+ax)=z^2/(ax+by)=1 then show that a/(a+x)+b/(b+y...

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