math and algebra
the mean (in math) is the average of all the numbers in the problem
Mathematics is not mean. It is the purest form of knowledge!
nothing is important on math
6+5i
The standard form of a complex number is a+bi. So the standard form of the negative square root of 5i is 0-√(5i).
math and algebra
1/(2 + 5i) (multiply both the numerator and the denominator by 2 - 5i)= 1(2 - 5i)/(2 + 5i)(2 - 5i)= (2 - 5i)/(4 - 25i2) (substitute -1 for i2)= (2 - 5i)/(4 + 25)= (2 - 5i)/29= 2/29 - (5/29)i
1/(3+5i)=(3-5i)/((3+5i)(3-5i))=(3-5i)/(9+25)=(3-5i)/34
Welcome to the world of imaginary and complex numbers. i is defined to be a number such that i2 = -1. i is imaginary ( that is not real) 5i is i+i+i+i+i . There is no simpler form than 5i . Please see the attached link for more about imaginary numbers.
the mean (in math) is the average of all the numbers in the problem
0 + 5i Its complex conjugate is 0 - 5i
Mathematics is not mean. It is the purest form of knowledge!
nothing is important on math
6+5i
12
To find the complex conjugate change the sign of the imaginary part: For 11 + 5i the complex conjugate is 11 - 5i.