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We have two geometric sequences of positive real numbers:

6,a,b and a,b,1296

Solve for a

 Jul 22, 2021

Best Answer 

 #1
avatar+34315 
+2

6*r *r = b

a*r = b

 

a*r = 6 * r * r

a = 6 * r

 

a * r * r = 1296

6*r *r * r = 1296

r = 6

 

6 * r * r = b

b = 216

then a = 36

 Jul 22, 2021
 #1
avatar+34315 
+2
Best Answer

6*r *r = b

a*r = b

 

a*r = 6 * r * r

a = 6 * r

 

a * r * r = 1296

6*r *r * r = 1296

r = 6

 

6 * r * r = b

b = 216

then a = 36

ElectricPavlov Jul 22, 2021

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