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If (5+2sqrt6)^(x^(2)-8)+(5-2sqrt6)^(x^(2...

If `(5+2sqrt6)^(x^(2)-8)+(5-2sqrt6)^(x^(2)-8)=10, x inR`
On the basis of above information, answer the following questions :
Sum of positive solutions is

A

3

B

`3+sqrt7`

C

`2+sqrt5`

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
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