Answers

2015-06-08T21:03:18+05:30
1/x
= 1/(c√b + 4)
(c√b - 4)/(c√b - 4) x 1/(c√b + 4)
= (c√b - 4)/(c2b - 16)

So, x + 1/x
= (c√b + 4) + (c√b - 4)/(c2b - 16)
= (c3b√b + 17c√b - 68 + 14c2b)/(c2b - 16)
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