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sqrt(-5) + sqrt(-20) = sqrt(-5) + sqrt(4)*sqrt(-5)

= sqrt(-5) + 2*sqrt(-5) = 3*sqrt(-5)

3*sqrt(5)*i or 6.7082*i

where i is the imaginary square root of -1.

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โˆ™ 2013-05-22 21:19:27
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Q: What is the square root of negative 5 plus the square root of negative 20?
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What is the square root of negative twenty?

Because the Square Root of negative 1 = i (The imaginary square root of negative 1.) and where if the square root of one number and of another number are multiplied together, the answer is equal to the square root of the two numbers combined. (Square root of 8 times the square root of 5 equals the square root of 40.) So... √(-20) =√20×√(-1) =√4×√5×i =2i(√5) The answer is 2i times the square root of 5. square root (-20) = square root (-1) x square root (20) square root (-20) = i x 4.47213595 square root (-20) = 4.47213595 i


What is the negative square root of 400?

- (400^.5) = -(20) = -20 you just do the square root of the number, and attach the negative in front. and if you ever include the negative inside the square root, you'd have to deal with i, which is an imaginary number that signifies the square root of negative 1.


What is the square root of five plus the square root of five?

The sqare root of 20.


What is 2 square root of 20 - square root of 20 plus 3 square root of 20 - 2 square root 45?

It is 2*sqrt(5).


How do you solve 8-3x equals the square root of 4xsquared plus the square root of 20 plus 8?

68


What is 20 plus the square root of -75 all divided by 10?

There is no square root of -75. If it's 75, that is 5 square root 3.


What is the square root of 20 in radical form?

square root of 20 = square root of 4X5=square root of 4 X square root of 5=2*square root of 5.


What is the square root of 400?

The square root of 400 is 20. 20 times 20 is 400. * * * * * -20 is also a square root of 400.


What is the square root of 75 and 20?

The square root of 75 is 8.66 and the square root of 20 is 4.47.


What is the square root of 20 in simplest form?

square root of 20 = square root of 4 * square root of 5. square root of 4 = 2, so your answer is 2 square root of 5.


What is the square root of 200 plus 20 times 6?

Sqrt of 200+(6*20) = 134.1421356


Is it possible to add a radical if there different under the square roots?

You can always add radicals, but you can't simplify unless the radicands have a common factor. For example, the square root of 20 plus the square root of 45 equals 2 times the square root of 5 plus 3 times the square root of 5, which is 5 times the square root of 5.


What is negative two times the square root of six?

2square times 6 cube is 20


Square root of w plus 20 equals 4?

√(w+20)=4 Square both sides: w+20=16 w= -4


What is the square root of 20?

The square root of 20 is: ± 4.472136The square root of 20 is ± 4.472136 (to 7 sf).A square root of a number is the number that when multiplied by itself equals the given number.


What is the square root of 20 simplified?

The square root of 20 simplified is ±4.5


What is the square root of 20 simplified as?

The square root of 20 is simplified as: ± 4.5


What is A number those square is 20?

If you mean the square root is 20, the answer is 400. If you mean the square root of 20, the answer is about 4.47.


What is the square root of 20 in its simplest form?

the square root of 20 in it's simplest form is ^2 square root of 5


What is the formula to find out the square root of 20?

The square root of 20 is an irrational number that can be expressed as 2 times square root of 5


There is a piece of tape attached to a hula hoop The tape rotates to 7 20 during one spin What is the sine value of this function?

−72020 square root 449 over 449negative 7 square root 449 over 449The answer seems to be the third one which is 20 square root 449 over 449.


What answer to the square root of 20?

4.472135955 is the sq. root of 20.


What is the square root of 20 over 36?

square root(20) over 36 = 0.124225999


Is the square root of 20 a rational number or irational?

The square root of 20 is an irrational number


Square root of 20 square root of 40?

Square root of 20 is 2*SQRT(5) or approx. 4.472 Square root of 40 is 2*SQRT(10) or approx. 6.325