Easy
1 point
ID: #25217
Question
x - 1/x = 2 হলে x³ - 1/x³ কত?
Options
1
12
Correct Answer
2
14
Correct Answer
3
16
Correct Answer
4
4
Correct Answer
Explanation
সূত্র: a³ - b³ = (a-b)³ + 3ab(a-b)। এখানে, x³ - 1/x³ = (2)³ + 3.x.(1/x).(2) = 8 + 6 = 14। সঠিক উত্তর 14।
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Type
Single Choice
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