যদি \((a^2 + b^2)^3 = (a^3 + b^3)^2\) হয় তবে \(\frac{a}{b} + \frac{b}{a}\)  এর মান হল         

1
1
2
 \(\frac{2}{3}\)
3
 \(\frac{3}{2}\)
4
 6

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