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alexdok [17]
3 years ago
14

What is the square root of -1?

Mathematics
2 answers:
sladkih [1.3K]3 years ago
5 0

The answer to your problem is----> i

solmaris [256]3 years ago
3 0

\sqrt{-1}  = i

However, in Real Number System, you can't find the value of square root of negative numbers. The above one is the imaginary number.

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LenaWriter [7]

Answer: no

Step-by-step explanation:

8 0
3 years ago
1] If 221ₓ= 25₁₀ find X<br> 2] if 3ₓ + 34ₓ - 40ₓ = 0 find x<br> 3] if 23ₓ = 1111₂ find x
Olin [163]

1.

2\cdot x^2+2\cdot x^1+1\cdot x^0=25\\2x^2+2x+1=25\\2x^2+2x-24=0\\x^2+x-12=0\\x^2+4x-3x-12=0\\x(x+4)-3(x+4)=0\\(x-3)(x+4)=0\\x=3 \vee x=-4

The base can't be negative, therefore x=3.

2.

3\cdot x^0+3\cdot x^1+4\cdot x^0-4\cdot x^1+0\cdot x^0=0\\3+3x+4-4x=0\\x=7

3.

2\cdot x^1+3\cdotx^0=1\cdot 2^3+1\cdot2^2+1\cdot2^1+1\cdot2^0\\2x+1=8+4+2+1\\2x=14\\x=7

5 0
2 years ago
What is 4x[5] [testing this out]
Kruka [31]
20 because you multiply 4 and 5 and get 20

6 0
3 years ago
Read 2 more answers
What is the quotient if 3/15 of 40 is divided by 7/8 of 4/14?
GrogVix [38]

Answer:

32

Step-by-step explanation:

3/15 * 40/7/8 *4/14

8/ 1/4 = 32

5 0
3 years ago
Read 2 more answers
Expression for the quotient of b divided by the difference of two minus 3
uysha [10]

Answer:

The required expression is

                                     \frac{b}{2 - 3}  = - b

Step-by-step explanation:

 

Difference of two minus three = 2-3

Quotient of b divided by the difference of two minus three is

                                             \frac{b}{2-3} = \frac{b}{-1} = - b

Therefore, the required expression is

                                                  \frac{b}{2-3}  \ \ \ \ \ \ \ \ or \ \ \ \ \ \ \ \  - b

7 0
3 years ago
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