Question

x+1/x=2.5 find x^2-1/x^2​

Answer 1

Answer:

-5.4

Step-by-step explanation:

x+1/x =2.5

x+1=2.5x

1=2.5x-x

1=1.5x

1/1.5=x

2/3=x

to find-

x²-1/x²

put the value of x

=(2/3)²-1/(2/3)²

=(4/9)-1/(4/9)

=-5/9 / 4/9

=-5/4

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Answer 2

Answer:

-5.4

hope it is help you

Step-by-step explanation:

SOLUTION

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