Question

Find the value of only ✓81​

Answer 1

Answer:

9

Step-by-step explanation:

9×9

$\sqrt{9 \times 9 } \\ \\ \\ = 9$

Answer 2

Answer:

9

Step-by-step explanation:

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.