Can you determine whether the statement are true or false?

radical 6i = i radical 6





radical 8i = radical 8i





radical - 25 = - radical 25





radical - i = iCan you determine whether the statement are true or false?
what do you mean by radical ??





100000000000000000th root


10000000th root


50000th root


400th root


4th root


etc.