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`        If a,b,c......in A.P so proved that (b+c),(c+a),(a+b)......in A.P Plz give me solution`
2 years ago

## Answers : (2)

```							FOR A.P. a+c=2band 2(a+c)=(b+c) + (a+b)      2(a+c)=b+c+a+b      2(a+c)=a+c+2b      2(a+c)=a+c + a+c     {2b=a+c}      2(a+c)=2(a+c)I HOPE YOU WILL FIND MY ANSWER HELPFUL THANKSPLEASE CHECKOUT THE COURSE THAT WE PROVIDE.PLZ POST ANY QUERIES THAT U HAVE
```
2 years ago
```							as a,b,c are in A.P. so 2b=a+c..................(i)If (b+c) , (a+c) , (a+b) will be in A.P. ,,then (b+c) + (a+b)=2(a+c).Now (b+c) + (a+b)= b+c+a+b =2b+a+c =2b+2b    {from(i)}                                                                =4b =2.2b =2(a+c)   {from (i)}SO,,,,,,(b+c) , (a+c) , (a+b) are in A.P.                 [PROVED]
```
2 years ago
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