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What number's Square is negative?
The square of an imaginary number is negative
Rule: the square of imaginary number I = - 1
How to make the square of X negative?
In the third year of senior high school, we will learn that in addition to real numbers, there is another kind of number that is imaginary, and the imaginary unit is I
Square energy of x = negative?
Is it true?
It is true when x is an imaginary number: Root - 1
RELATED INFORMATIONS
- 1. It is known that: x2 + Y2 + 4x-6y + 13 = 0, where x and y are rational numbers, then YX=______ ．
- 2. 1、 Write five rational numbers that meet the following conditions Three of them are non positive numbers. 3. Three of them are fractions. 2. It is known that a and B are opposite to each other, C and D are reciprocal to each other, and the distance from X to the origin is 2. Find the value of a + B + CD + X Please give your answer before the evening of September 12, 2011
- 3. Do not calculate the square of 4 + 4 + the third power of 4 +. 4 the number of 50 power
- 4. If we know the rational numbers a and B, let a + B = 0 and tangent the square of (a + 2) to 0, we can find the value of the power B of A If we know the rational numbers a and B such that a + B = 0 and tangent the square of (a + 2) to 0, we can find the value of the power B of A
- 5. If the root sign (X-Y + 1) and | x + Y-3 | are opposite to each other, then the Y power of x =?
- 6. Q: rational numbers a, B, C, middle, b > a > C, and a and B are positive numbers, C is negative, simplification: 3 times a minus the absolute value of B minus 4 times a plus the absolute value of C plus B minus Q: rational numbers a, B, C, in which b > a > C, and a and B are positive numbers, C is negative. Simplification: 3 times a minus the absolute value of B minus 4 times a plus the absolute value of C plus the absolute value of B minus the absolute value of C
- 7. If a, B are opposite numbers and C, D are reciprocal numbers, then | 2010 (a + b) + (CD) 2009|= (CD) 2009 is the power of (CD)
- 8. If the two real roots of square + BX + C = 0 of ax are x1x2, then the square + BX + C of quadratic trinomial ax can be decomposed into
- 9. Simplify a (5-3a) + 1-A & sup2; (4a-3) 5 {XY (x-2y) + Z} - 4 {2Z + XY (3x-y)} Simplify a (5-3a) + 1-A & sup2; (4a-3) 5 {XY (x-2y) + Z} - 4 {2Z + XY (3x-y)}
- 10. -A the absolute value of the opposite number is non negative, right? Must the absolute value of a be a positive number? -Must the absolute value of a be negative?
- 11. Square is negative, how to calculate Suppose the square of x equals - 4, then what is x equal to
- 12. Is the square of a negative number positive or negative?
- 13. Why do negative numbers have no square root?
- 14. If the number in the quadratic root sign is negative, there is no real root. But it should also have a square root. What is its square root?
- 15. What is the simple operation of power? For example, the simple operation of addition is multiplication, and the simple operation of multiplication is power, so what is the simple operation of power?
- 16. How many times do you need to pull 1000 Ramen
- 17. Given that the x power of 2 is equal to 3, the x power of 3 is equal to 7, find the x power of 12
- 18. The speed of light is about 3 * 10 to the fifth power km / s. It takes six years for the light from a star to reach the earth. If there is 3 * 10 to the seventh power / s in a year, how far is the star from the earth?
- 19. 1. Reduce the length of a rectangle with length x and width y by 1, and increase the width by 1, then its area will increase_____ . 2. If the polynomial (MX + 8) (2-3x) is expanded without x term, then M=_____ .
- 20. In (- 3 / 4) ^ 4, the base is?, the exponent is?, and the power is?