Question

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Ques:-. sum of the series:

$(x + y)( {x}^{2} + xy + {y}^{2} ) +\: ( {x}^{3} + {x}^{2}y + x {y}^{2} + {y}^{3} )+ .upto \: n \: terms$

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Answer 1

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refer to attachment

Answer 2

Answer:

HEY MATE HERE IS YOUR ANSWER