Please answer 3 to the power x + 1 6 If 3x+1 - 3x-1 = 262, find - Maths -

Question

Please answer 3 to the power x + 1

6     I f   3 x + 1   -   3 x - 1   =
  2 6 2 ,   f i n d   t h e   v a l u e  
o f   x

Prathamesh Kharche · Answer

3^x+1-3^x-1=12^2
x+1 -(x-1)=144 because 3 are cancelled
2x 0 =144
2x=144
x=144 / 2
x=72

Please answer 3 to the power x + 1 6 . I f 3 x + 1 - 3 x - 1 = 2 6 2 , f i n d t h e v a l u e o f x .