Aptitude | Algebra | Question 6
If b2 + 1⁄b2 = 1, then value of b3 + 1⁄b3 is ,
(A) 0
(B) 6
(C) -4
(D) 4
Answer: (A)
Explanation:
E = (b + 1⁄b)(b2 - 1 + 1⁄b2)
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