যদি $α + β = 3$ ও $α^{3} + β^{3} = 7$ হয়, তবে $α$ ও $β$ যে সমীকরণের মূল তা হলো-

Created: 2 years ago | Updated: 1 year ago

Updated: 1 year ago

x^{2} - 3 x + 7 = 0

9 x^{2} - 27 x + 20 = 0

9 x^{2} - 20 x + 27 = 0

3 x^{2} - 21 x + 20 = 0

3 x^{2} - 21 x + 21 = 0

Explanation

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