If x 4 – 83x 2 + 1 = 0, then a value of x 3 – x -3 can be : On dividi
| If x4 – 83x2 + 1 = 0, then a value of x3 – x-3 can be :
A. 737
B. 758
C. 756
D. 739
Right Answer is: C
SOLUTION
On dividing above eqn. by 
, we get –
Required,
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A. 737
B. 758
C. 756
D. 739
On dividing above eqn. by , we get –
Required,