pl solve...............
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part 1 ans. is
using identity (a+b)^1/3
(x+2y)^1/3
using identity (a+b)^1/3
(x+2y)^1/3
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1) (x)cube + (2y)cube +3×(x)square×2y + 3×x×(2y)square
= (x+2y)cube
= (x+2y)cube
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