![If x – 10 = 4 , then](https://www.gkseries.com/blog/wp-content/uploads/2024/04/If-x-–-10-4-then-.jpg)
If x – 10 = 4 , then
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-192-1024x209.png)
(a) 4
(b) 5
(c) 2 √2
(d) 4 √2
Sol:
Let y = x – 1 = 9 + 4 √5
and 1/y=1/x-1=9-4√5
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-193-1024x636.png)
If x – 10 = 4 , then
(a) 4
(b) 5
(c) 2 √2
(d) 4 √2
Sol:
Let y = x – 1 = 9 + 4 √5
and 1/y=1/x-1=9-4√5
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