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[" 44.If "m=a cos^(3)theta+3a cos theta ...

[" 44.If "m=a cos^(3)theta+3a cos theta sin^(2)theta" and "n=a],[sin^(3)theta+3a cos^(2)theta sin theta" then "(m+n)^(2/3)+(m-n)^(2/3)=],[[" 1) "a^(2/3)," 2) "2a^(2/3)," 3) "0," 4) "(1)/(a)a^(2/3)]]

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