Most Important Selected Qs for JEE AdvancedMathematicsLimits
If _ n n 3^n n(x-2)^2+n 3^ n+1 -3^n = 1 3 then the range of x is (n N)
Options
- A[2,5]
- B(1,5)
- C(-1,5)
- D(- , )
Correct answer
C. (-1,5)
Step-by-step solution
_ n 1 (x-2)^n 3^n +3- 1 n divided N and D by 3^n n _ n to equal to 1 3 _ n 1 n 0 _ n ( x-2 3 )^n 0 -1 x 5