if a,b,c are in AP, the (a-c)^2/(b^2-ac) =is equal to
AWANISH KUMAR , 7 Years ago
Grade 11
Magical Mathematics[Interesting Approach]> if a,b,c are in AP, the (a-c)^2/(b^2-ac) ...
1 AnswersAWANISH KUMAR
Last Activity: 7 Years ago
If a,b,c are in AP then2b=a+c4b^2=a^2+c^2+2ac4b^2-4ac=a^2c^2-2ac (by sub. of 4ac):. 4=(a-c)^2/b^2-ac....
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