If a,b,c, are in AP, prove that `a^(3) + 4b^(3)+c^(3)= 3b (a^(2)+c^(2))`
Channel: Doubtnut
Date: 2020-04-19

If a,b,c, are in AP, prove that `a^(3) + 4b^(3)+c^(3)= 3b (a^(2)+c^(2))`