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The square roots of -81 are ±9i where i is the imaginary square root of -1.
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∙ 12y ago-9
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Negative square root of 81?
9
What is the positive sqare root of a number?
Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.
What is the square root of -81?
The square root of -81 = 9 i9i
How do you write 81 as a square root?
The square root of 81 is 9
What number is 81 a square root of?
The square root of 6561 is 81
Negative square root of 81?
9
Is the square root of of 81 over negative three irrational?
No. The square root of 81/(-3) is rational. The square root of [81/(-3)] is imaginary (a kind of complex number).
What is the square root of 9 time square root of negative 81?
Square root of 9: 3Square root of -81: 9i The product of both is 27i
Is the square root of -81 rational or irrational?
Since it is the square root of a negative number, it is actually imaginary, neither rational nor irrational. It is equal to 9i, or 9 times whatever the square root of negative one is.square root of -81 = square root of 81 times i = 9i
Find the Square Root -81?
There is no square root for a negative number. It is an imaginary number.
How do you solve x squared equals negative 81?
x2=-81take the square root of both sidessince 81 is negative you need to take 81 times i when i=-1 then solve as the square root of 81. your answer is x=9i
What is the positive sqare root of a number?
Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.
What is the negative square root of 1 over 81?
-1/9
What is the negative square root of 100 over 81?
It is -10/9
What is the sq root of -9?
81 because there are no negative square roots
Square root of 81?
81 is the square root and 9.5 is under root.
What Is The Square Root -81?
The square root of -81 = 9 i9i
