If x + y = 3 and x = 2y.. What is the value of x3 + y3?

If x + y = 3 and x = 2y.. What is the value of \(x^{3}\) + \(y^{3}\)? ?

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দেওয়া আছে, x + y = 3 এবং x = 2y. → xy = 2 এখন আমরা জানি, \(x^{3}\) + \(y^{3}\) = (x + y)3 - 3xy(x + \(y^{33}\) - 3×2×3 [মান বসিয়ে] = 27 - 18 = 9

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If x + y = 3 and x = 2y.. What is the value of \(x^{3}\) + \(y^{3}\)? ?

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