Question

9. If x + 1/x = 7, find x2 + 1/2.​

Answer 1

Answer:

19/36

Step-by-step explanation:

x-1/X = 7

x+1 = 7x

1 = 6x

1/6 = X

Therefore, x^2 + 1/2 =

(1/6)^2 + 1/2. = 1/36 + 1/2 = 2+36/72

= 38/72

= 19/36

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