If y=3^(x-1)+3^(-x-1) (where, x is real...

If `y=3^(x-1)+3^(-x-1)` (where, x is real), then the leastvalue of y is

A

2

B

6

C

`2//3`

D

none of these

Verified by Experts

The correct Answer is:

C

Similar Questions

Explore conceptually related problems

If (x-1)^2+(y-2)^2 = (x-1)(y-2) , where x and y are integers, then the value of 2x + 3y is

If (x-1)^2+(y-2)^2=0 , where x and y are integers, then the value of 2x+3y is :

If (x)/(y)+(y)/(x)=-1 , where x,y ne 0 then the value of (x^3-y^3) is

If x,y are real numbers such that 3^((x)/(y)+1) -3^((x)/(y)-1) = 24 , then the value of (X+y)//(x-y) is:-

If (3/2+(isqrt(3))/2)^(50)=3^(25)(x+iy) , where x and y are reals, then the ordered pair (x,y) is given by

Consider y=(2x)/(1+x^(2)), where x is real,then the range of expression y^(2)+y-2 is [a,b]* find b-4a.

(x+2y-1)(x+3y-3)=1271 where x and y are the naturals numbers and (x+2y-1),(x+3y-3) are the prime numbers then the value of (y)/(x) is