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Given that x^8-34x^4+1=0, x>0, What is t...

Given that `x^8-34x^4+1=0, x>0`, What is the value of `(x^3+x^-3)` ?
दिया गया है `x^8-34x^4+1=0, x>0`, तो `(x^3+x^-3)` का मान ज्ञात कीजिए ।

A

5`sqrt8`

B

6`sqrt6`

C

5`sqrt6`

D

6`sqrt8`

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