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```
if logx a, logx b, logx c, are in AP, prove it a, b, c are in GP
if logx a, logx b, logx c, are in AP, prove it a, b, c are in GP

```
3 years ago

Sudipan Datta
34 Points
```							If log a,log b and log c are in A.P then,Using property of AP,2log b=log a+log cor, log b^2 = log (ac)or, b^2 = acThe resultant expression is the general expression of G.P.Therefore a,b,c are in G.P
```
3 years ago
Shailendra Kumar Sharma
188 Points
```							Loga logb logc are in AP i.e. 2logb=loga + logcNow that gives logb^2=log(a*c)Thus takin both sides on x power gives b^2 =acThat proves a,b,c are in GP
```
3 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions