![If x4+1/x4=322, then (2x–4)2 = ?](https://www.gkseries.com/blog/wp-content/uploads/2024/04/If-x41-x4322-then-2x–42-.jpg)
If x4+1/x4=322, then (2x–4)2 = ?
(a) 14
(b) 20
(c) 16
(d) 24
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-187-1024x893.png)
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-188-1024x199.png)
If x4+1/x4=322, then (2x–4)2 = ?
(a) 14
(b) 20
(c) 16
(d) 24
Sol:
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