Question

If a,b and c are in AP prove

a^3 + c^3 + 6abc = 8b^3​


**5 Baar try Kiya fir bhi ans Ni aaya approach baan gyi h... pls if someone can solve**

Answer 1

Explanation:

given:

a+c=2b

as they are in ap

cubing both sides

(a+c)³=(2b)³

a³+c³+3ac(a+c)=8b³

a³+c³+3ac*2b=8b³

a³+c³+6abc=8b³

Answer 2

Explanation:

hope it helps..............

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