Question

If x+1/x=5, then x×x+1/x×x=
​

Answer 1

Answer:

(x+1/x)^2=(5)^2

x^2+1/x^2+2=25

x^2+1/x^2=25-2

=23

Answer 2

$\italic{\frac{x+1}{x} = 5}$

5x = x+1

1 = 4x

=> x = 1/4

$\frac{x\times x+1}{x\times x} = \frac{1/4 \times 1/4 +1}{1/4\times1/4}$$\frac{1+1/16}{1/16} = \frac{17/16}{1/16} = 17$

17 is your answer

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