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If x^8-1442x^4+1=0, then a possible valu...

If `x^8-1442x^4+1=0`, then a possible value of `x-1/x` is:
यदि `x^8-1442x^4+1=0` है, तो `x-1/x` का संभावित मान है :

A

8

B

4

C

6

D

5

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If x^4+x^(-4)=194,x > 0 then the value of x+1/x is: यदि x^4+x^(-4)=194,x > 0 है, तो x+1/x का मान क्या होगा ?

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CHAMPION PUBLICATION-2018 TIER-II PAPER(4)-EXERCISE
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  14. Study the graph and answer the question that follows What is the...

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