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if 4a – 4/a +3=0 , then the value of a 3 – 1/a 3 +3 is ?? a)21/64 b) 7/16 c)3/16 d)21/16

  1.  if 4a – 4/a +3=0 , then the value of 
              a3 – 1/a3 +3 is ??
a)21/64
b) 7/16
c)3/16
d)21/16

Grade:12th pass

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
8 years ago
Find the value of a-1/a.
Then use this for the expansion of a3– 1/a3 You will get the answer

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