Question

square root of 81 by processes​

Answer 1

Step-by-step explanation:

81=9⋅9 then the square root of √81=9 . Because the double multiplication for the same sign is always positive, the square root is also valid with the other sign 81=(−9)⋅(−9) then √81=−9 and we can say that √81=±9 .

Answer 2

Answer:

9

Step-by-step explanation:

=√81

=√9×9

=9

hope this will help you ❤️