x + y = 2, x<sup>2</sup> + y<sup>2</sup> = 4 হলে x<sup>3</sup> + y<sup>3</sup> = কত?

1. x + y = 2, x² + y² = 4 হলে x³ + y³ = কত?

[34 th BCS Preliminary : 2013]

1. 8

2. 9

3. 25

4. 16

Answer

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