HELP ASAPPP IN LATEX

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Solve for $x>0$ in the following arithmetic sequence: $1^2, x^2, 3^2$ .

Guest Aug 1, 2020

jimkey17 · Answer 1 · 2020-08-01T06:43:42

we know that 1^2=1 and 3^2=9 so x=sqrt((1+9)/2)=sqrt(10/2)=sqrt5 so out=r final answer is $\boxed{x=\sqrt5}$

Guest · Answer 2 · 2020-08-01T06:46:03

At first glance, it would appear that x = 2 but that would not be an arithmetic sequence.

With the values multiplied out, we get 1, x², 9 and so x² has to be 5. therefore x = sqrt(5)

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