Please help me with Question 10, based on G.P. Thanks

Tm = a * r^(m-1) = 1/n²

 

Tn = a * r^(n-1) = 1/m²

 

m²/n² = r^(m-n)

 

r = [m²/n²]^(1/m-n)

 

Now find a.

Then

 

Now

 

T(m+n/2) = a * r^(m+n/2 -1) = a * r^(m+n-2 /2)

 

Put the values of a and r.

Before I posted the question on here, that's how I approached this question (the way you have suggested). That's exactly how I tried to solve it. Couldn't get to the answer though. Thanks for the response, but I'd like you to send the complete solution. Thanks

I would like to attach another pic, showing how I approached it. But don't know if I can attach another