Home
Class 12
MATHS
If x=3+sqrt8, then (x^2+1/x^2)=?...

If `x=3+sqrt8, then (x^2+1/x^2)=?`

A

38

B

36

C

34

D

30

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If x=3+sqrt(8), then x^(2)+(1)/(x^(2)) will be

If x=3+sqrt(8), then x^(2)+(1)/(x^(2)) is equal to (a) 30 (b) 34(c)36 (d) 38

If x = 3 + sqrt(8) then (x^(2) + (1)/(x^(2)))=?

If x=3+sqrt(8) , find x^2+(1)/x^(2)

If x=8-sqrt(60), then (1)/(2)[sqrt(x)+(2)/(sqrt(x))]

If y=log sqrt((x^(2)+x+1)/(x^(2)-x+1))+(1)/(2sqrt(3)){tan^(-1)backslash(2x+1)/(sqrt(3))+tan^(-1)backslash(2x-1)/(sqrt(3))} then prove that (dy)/(dx)=(1)/(x^(4)+x^(2)+1)

If y=log sqrt((x^(2)+x+1)/(x^(2)-x+1))+(1)/(2sqrt(3)){tan^(-1)backslash(2x+1)/(sqrt(3))+tan^(-1)backslash(2x-1)/(sqrt(3))} then prove that (dy)/(dx)=(1)/(x^(4)+x^(2)+1)