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If x2+1/x2=34x ^ 2 + 1 / x ^ 2 = 34 find the value of x+1/xx + 1 / x

A9

B8

C6

D5

Answer:

C. 6

Read Explanation:

(x+1/x)2=x2+1/x2+2(x+1/x)^2=x^2+1/x^2+2

(x+1/x)2=34+2(x+1/x)^2=34+2

(x+1/x)2=36(x+1/x)^2=36

x+1/x=36=6x+1/x=\sqrt{36}=6


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