If $7=x^2+\frac{1}{x^2}$, then what is the greatest possible value of $x+\frac{1}{x}$?

3

Step-by-step explanation:

7 = x² + 1/(x²)

7 + 2 = x² + 2 + 1/(x²)

9 = (x + 1/x)²

±3 = x + 1/x

both equations and proportions are better.

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.