2006-09-30 22:43:40 · 35 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
yeah, right it is an imaginary number i, but no i doesnt stand for imaginary, it stands for iota, a greek alphabet
2006-10-03 18:14:10 · answer #1 · answered by Yogesh G 3 · 1⤊ 0⤋
1
2006-09-30 23:00:32 · answer #2 · answered by saquib M 2 · 0⤊ 0⤋
1
2006-09-30 22:51:14 · answer #3 · answered by Anonymous · 0⤊ 1⤋
Consider 6! The square of 6 is 36! Ok! Now consider 5! The square of 5 is 25! This goes on.......... Now the square root of the nos 25 and 36 are +-5 and +-6 respectively! So we as a human being having rationale thinking can imagine that when we square 5 and 6(i.e to multiply the numbers by itself) we get 25 and 36 respectively! Now we gotta find the number which when multiplied by itself would give the result -1! But this is not possible bcos of the rules that we have in squaring a number or finding its square root(It is well known that on squaring a positive number or a negative number we would always get a positive answer)! So we have termed tht number as "i"!
If some one asks you wht is the square root of -36, then the answer is +-6i.
There is a great chapter called "complex numbers" completely based on this single imaginary number "i".
2006-10-01 00:04:16 · answer #4 · answered by Bunty 1 · 0⤊ 1⤋
It will be an imaginary number. Only square root of positive numbers give real numbers such as square root of 64, which is 8. However, a square root of a negative number like your example equals an imaginary number. So the answer is just square root of -1.
If you try to press it on a calculator, you will receive an error.
2006-09-30 23:22:32 · answer #5 · answered by horensen 4 · 0⤊ 0⤋
square root of -1 is the solution of the equation
x^2 + 1 = 0
this does not have a real solution.
However this has an imaginary solution this is +i and -i
2006-09-30 23:14:59 · answer #6 · answered by Mein Hoon Na 7 · 0⤊ 0⤋
dear friend there is no answer for this as any negative number under a root sign is an imaginary number. Therefore you cannot get the square root of a negative number.
2006-10-01 01:23:14 · answer #7 · answered by blesson t 1 · 0⤊ 0⤋
A Number denoted by Iota or "i "
i(square) = -1 .
This has its applications in Physics,Mathematics for Solving many problems in the form of complex number :
a+bi where a is the real party and b is the imaginary part .
2006-09-30 22:49:58 · answer #8 · answered by Anonymous · 0⤊ 0⤋
The square root of -1 is an imaginary number named as 'i'.
Since,
1X1=1
-1X-1=1
So, the squre root of -1 is an imaginary number.
2006-09-30 22:48:09 · answer #9 · answered by ssrirag2001 2 · 0⤊ 0⤋
-1 * -1 =i
in the complx number Complex numbers are numbers that can be written a + b*i where a and b are real numbers. For example 5 + 3*i or 3/5 -(2/3)*i.
2006-09-30 23:02:32 · answer #10 · answered by krish 2 · 0⤊ 0⤋
Mathematicians sort of "invented" a number, called i (supposedly i for imaginary, because this number is not "real"), and said that i*i = (-1), that is i is the square root of -1. Turns out this i number is very useful for many things, theoretical and prctical.
2006-09-30 22:50:14 · answer #11 · answered by No Mo 2 · 0⤊ 0⤋