If I ask Answers™ "what is pi squared?" I find "It is approximately equal to 3.14 but in reality pi is an imaginary number that has no end." The answer also goes on to tell me that imaginary numbers cannot be multiplied by themselves. Now i must see what y'all have to say about imaginary numbers...
A negative real number is any non-imaginary number less than zero. Examples: -1 -2.435 -.0000000000000000111111 -341 -pi
Complex numbers whose polar representation is (r, theta) where 3*pi/2 < theta < 2*pi.
an imaginary number is imaginary so no (i guess) this answer kind of sucks
If a number is pure imaginary then it has no real component. If it is a real number, then there is no imaginary component. If it has both real and imaginary components, then it is a complex number.
By creating a real-imaginary plane (real on horizontal axis, imaginary on vertical), any complex number can be represented graphically. The polar form is a magnitude and angle. The magnitude is measured from the origin to the point on the plane. For a complex number a + bi, this value is a2 + b2. The angle is measured from the positive real axis, clockwise. For positive imaginary part (b), this will be +arccos(a/(a2 + b2)). (0° to +180°, or 0 to +pi radians) For negative imaginary part (b), this will be -arccos(a/(a2 + b2)). (0° to -180°, or 0 to -pi radians, or alternatively 180° to 360° or pi to 2pi radians)
Pi (approximately 3.14) is not an imaginary, but it is irrational and transcendental.
'e' is an imaginary number, multiplied by anything gives an imaginary result
No. The square root of negative one is an example of an imaginary (not real) number. Pi is irrational, but real.
i is the Imaginary Unit, equal to sqrt(-1). So i and any real number multiplied by i will all be imaginary numbers. Here are some: i, -i, 5i, -3i, i*pi, etc.
A negative real number is any non-imaginary number less than zero. Examples: -1 -2.435 -.0000000000000000111111 -341 -pi
every number is a real number....except imaginary.......and this is the amin reason for we can say that real number is real because its not imaginary....
Numbers like these ( pi, phi, imaginary number i ), are called IRRATIONAL NUMBERS.
Usually we say its 3.14
You will never have an imaginary number when finding the area of a circle. Never. Imaginary numbers came to be when mathematicians were upset that a negative number couldn't have a square root. You will usually find them when using the quadratic formula.
Complex numbers whose polar representation is (r, theta) where 3*pi/2 < theta < 2*pi.
This is an interesting question. Looking at complex numbers graphically, zero is at the intersection of the real and imaginary axis, so it is 0 + 0i. But if you square zero, you get zero, which is not a negative number (a pure imaginary, when squared will give a real negative number), so I'd have to say it is not imaginary.
Yes. The number 1 + i is imaginary but not pure imaginary, while 5i is pure imaginary.