Brazil | Very Nice Olympiad Math Problem | find value of (√2-1)^12=?

[@satyadev3848]

good 👏👏👏👏

[@harshpathak2359]

❤❤❤❤❤❤❤❤❤

[@arvindkulkarni6580]

great explanation

[@aruntiwari5714]

Lovely explanation 😊

[@DarshChouhan-r6g]

nice

[@manojchaugule794]

very good explaination

[@heinerkaiser8673]

At last you use a calculator. But you can get the same result in some seconds by using the calculator right from the start.