Easy
1 point
ID: #26454
Question
a - 1/a = 2, a³ - 1/a³ এর মান কত?
Options
1
12
Correct Answer
2
14
Correct Answer
3
16
Correct Answer
4
18
Correct Answer
Explanation
আমরা জানি, a³ - 1/a³ = (a - 1/a)³ + 3.a.(1/a)(a - 1/a)
মান বসিয়ে পাই, (2)³ + 3(2) = 8 + 6 = 14।
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Type
Single Choice
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