if a,b,c are in A.P ,Then prove that b+c-a,c+a-b,a+b-c are also in A.P
if a,b,c are in A.P ,Then prove that b+c-a,c+a-b,a+b-c are also in A.P
talha khan , 14 Years ago
Grade 11
Magical Mathematics[Interesting Approach]> A.P...
1 AnswersVaishal Shah
2b=a+c
Now,
2(c+a-b)=b+c-a+a+b-c
2c+2a-2b=2b
2c+2a=4b
c+a=2b
Approved Last Activity: 14 Years ago
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