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1.
- A. ৯
- B. ৯
- C. ৯
- D. ৯
Answer: Option D
Explanation:
x^3 + 1/x^3
=(x + 1/x)^3 - 3.x.1/x (x + 1/x)
=(3)^3 - 3.3 [মান বসিয়ে ]
= 27-9
=18
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1.
Answer: Option D
Explanation:
x^3 + 1/x^3
=(x + 1/x)^3 - 3.x.1/x (x + 1/x)
=(3)^3 - 3.3 [মান বসিয়ে ]
= 27-9
=18
Post your comments here: