If a,b,c are in A.P.,then show that 10^ax+10,10^bx+10,10^cx+10 are in G.P when x does not equal to zero
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GauravKumarRai:
how did you get a+c=2b
In an A. P. , if a, b, c are in A. P., a+c = 2b
but why
and in last 10^ax+10×10^cx+10=10^2(bx+10)
by writing this how you can prove that it is in G.P
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