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1.
- A. ৯
- B. ৯
- C. ৯
- D. ৯
Answer: Option D
Explanation:
a³ - (1/a)³ = {a - (1/a)}³ + 3.a.(1/a){a - (1/a)}
= 3³ + 3×3
= 27 + 9
= 36.
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1.
Answer: Option D
Explanation:
a³ - (1/a)³ = {a - (1/a)}³ + 3.a.(1/a){a - (1/a)}
= 3³ + 3×3
= 27 + 9
= 36.
Post your comments here: