USA | Olympiad Exponential Equation || solve for a=?

[@KhushiTtripathi]

Perfect solution

[@satyadev3848]

Good solution maam

[@aruntiwari5714]

Very well done

[@arvindkulkarni6580]

Good teacher

[@KeshavKulkarni-x1w]

Perfect

[@manojchaugule794]

❤❤

[@pas6295]

We have the formula a^3-b^3-(3ab(a+b)=(a-b)^3. Theabove equation of ours 2^a×2^a×2^a=20.
@20is 2^4+2^2. .From this you can calculate. Value of "a"

[@Victurf]

...2 ^ a = 20/3, 20/3 = 2 ^ 2.737...a = 2.737...

[@harshpathak2359]

Good solution maam