Germany l can you solve?? l Olympiad Mathematics

[@BrijLalSahu-bb1lu]

Very nice question @MAYHS TUTORIAL ( BL SAHU)

[@Марія-75]

❤

[@AljosaVolcic]

I prefer the notation 81 \times (-1). Brackets avoid any misunderstanding.

[@ris4435]

[(X√x)^(1/2)]²=(3√3)²=27
(X√x)²=27²=x³=3⁶ => X=3^(6/3)=9

[@AljosaVolcic]

So you miss the complex solutions

[@ris4435]

@@AljosaVolcic no complex solution.