Question

if x -1/x = 7 then find the value of x2 + 1/x^2.

Answer 1

Step-by-step explanation:

20 is the answer

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Answer 2

Answer:

If x-7 is the factor of x^2-k then the value of k is Get the ... fast If x²+4x- 1=0 and x is positive then find the value of x²+1 /x² ...