Question

if ( x + 1/x ) = 5
find - x^2 + 1/x ^2​

Answer 1

Answer:

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

=x^2+1/x^2+2×x×1/X

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

=x^2+1/x^2=23

Step-by-step explanation:

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Answer 2

Answer:

23

Step-by-step explanation:

x+1/x =5

squaring both sides

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

x^2+1/x^2=23