Specifically for the question শেষ হয়ে হইল না শেষ

You could try using the square root symbol on your android keyboard, or write sqrt(2) or write the square root of 2 up to 3 decimal places. One of them should work.

but if your answer is something like 5\sqrt{2} then you must express this in decimal and write up to three decimal places.

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tried all of them and none worked

The answer is not √2. Try once more

By the way Can we write an irrational number as a power of any number?

^nP_r=n^r

\fbox{Answer is the value of "r".}

\fbox{Solve and get the answer.}

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