If 3x -3x-1=18 . than the value of xx is ?

A    8

B    256

C    216

D    3

Solution

Correct Answer: Option E

 

3x -3x-1=18 3x -3x .3-1=18 3x (1-1/3)=18

3x=27 x=3 then ,xx=33=27

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions