1.

निम्न व्यंजको के घन का मान ज्ञात कीजिए । (i) `((1)/(x)+(y)/(3))` (ii) `(4-(1)/(3x))` (iii) `(3x - 2y)`

Answer» (i) `(1)/(x^(3))+(y^(3))/(27) + (y)/(x^(2))+(y^(2))/(3x)`
(ii) `64-(1)/(27x^(3))-(16)/(x)+(4)/(3x^(2))`
(iii) `27x^(3) - 8y^(3) - 54x^(2)y+36xy^(2)`


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