Question

if a,b,c are in A.P then show that 3a,3b,3c are in G.P​

Answer 1

Answer:

since a,b,c are in app we can write b=(a+c)÷2

similarly 3b=(3a+3c)/2

implies 3b=3(a+c)/2

implies b=(a+c)/2

Step-by-step explanation:

hope you understood the answer well