Question

Solve it step by step
1. If x square + 1 / x square = 3,
Find the value of x + 1 / x.
2. If x square + 1 / x square = 3,
Find the value of x - 1 / x.​

Answer 1

Answer:

-3

Step-by-step explanation:

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Answer 2

Answer:

x+1/x = 1

x-1/x = 0

Step-by-step explanation:

x² + 1/ x² = 3

=> (2x²+1)/ x² = 3

=> 2x²+1 = 3x²

=> 3x² - 2x² = 1

=> x² = 1

=> x = 1

Therefore

x + 1/x

= 1 + 1/1

= 1 + 1

= 2

And

x - 1/x

= 1 - 1/1

= 1 - 1

= 0