The 5th

The 5th, 8th and 11th terms of a GP are a, b, c respectively. Show that a, b, c are in GP.

Result

w=




Step-by-step explanation:

an = a1 qn1 a=z q4 b=z q7 c=z q10  Q1 = b/a =  z q4z q7 = q3 Q2 = c/b =  z q7z q10 = q3  Q1=Q2=q3  w=1



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