If `x^2+1/(x^2)=27 ,` find the value of each of the following: `x+1/x`

If x^2+1/(x^2)=27 , find the values of each of the following: (i) x+1/x (ii) x-1/x

If x^(2)+(1)/(x^(2))=27, find the values of each of the following: x+(1)/(x) (ii) x-(1)/(x)

If x^2+1/(x^2)=27 , find the values of each of the: x+1/x

If x^2+1/(x^2)=27 , find the values of each of the: x-1/x

If x^(2)+(1)/(x^(2))=27, find the values of each of the: x+(1)/(x)

If x^(2)+(1)/(x^(2))=27, find the values of each of the: x-(1)/(x)

Find the value of x in each of the following : x : 1.6 : : 2.1 : 8.4

If x be real , find the maximum value of each of the following expressions and the corresponding values of x: 1-2x-x^2

If 2 : 9 :: x : 27 , find the value of x.