It is given in the question that,
Since we have the value of r given, so we have to use the formula to find the nth term of the geometric progression, which is
Substituting the values of a and r, we will get
So the correct option is the third option .
The answer to your question is D.
The answer is b -9 < x < 12
3543.72 cm^2.
Hopefully it helped ya