The correct answer for the exercise shown in the figure attached is the las option, the option D, which is D. √2; 12,12√2,24
The explanation is shown below:
The common ratio is:
6/3√2=√2
6√2/6=√2
The next three terms are:
(6√2)(√2)=12
(12)(√2)=12√2
(12√2)(√2)=24