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1. x + 1/x = 3 হলে x3 + 1/x3 এর মান কত?
- A. 2
- B. 2
- C. 2
- D. 2
Answer: Option C
Explanation:
x³+(1/x³)
=(x+1/x)³-3(x+1/x)
=(3)³-3×3
=0
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1. x + 1/x = 3 হলে x3 + 1/x3 এর মান কত?
Answer: Option C
Explanation:
x³+(1/x³)
=(x+1/x)³-3(x+1/x)
=(3)³-3×3
=0
Post your comments here: