Question

If x-1/x=2 , then the value of x²+1/x² is. (1)2. (2) 4. (3)6. (4)8

Answer 1

Answer:

answer is (2).4

Step-by-step explanation:

hope this answer is useful.

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Answer 2

Answer:

x-1 /x =2

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

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

4 + 2 = x^2 + 1/x^2

6 = x^2 + 1/x^2

there for option 3) 6 is the right answer

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