यदि a = 5 - 5^(2//3)-5^(1//3) हो, तो a^...

यदि `a = 5 - 5^(2//3)-5^(1//3)` हो, तो `a^(3) - 15a^(2) + 60a - 15` का मान है

A

20

B

15

C

5

D

6

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The correct Answer is:

C

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