Question

Pls answer this question
If x-1/x = 6 then the value of x²+1/x² is :
A.36
B.38
C.32
D.34
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Answer 1

Answer:

B

Step-by-step explanation:

square on both sides

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

x^2+1/(x^2)= 36+2=38