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*IMSUB(z1,z2), Where <math> z1,z2</math> are the complex number is of the form <math>a+ib</math>.
*IMSUB(z1,z2), Where <math> z1,z2</math> are the complex number is of the form <math>a+ib</math>.
*<math> a </math>& <math>b</math> are the real numbers. <math>i</math> imaginary unit .<math>i=\sqrt{-1}</math>.
*<math> a </math>& <math>b</math> are the real numbers. <math>i</math> imaginary unit .<math>i=\sqrt{-1}</math>.
* Let z1=a+ib and z2=c+id.
* Let <math>z1=a+ib</math> and </math>z2=c+id</math>.
*The difference of two complex number is:<math>(a+ib)-(c+id)=(a-c)+(b-d)i </math> where a,b,c and d are real numbers.
*The difference of two complex number is:<math>(a+ib)-(c+id)=(a-c)+(b-d)i </math> where <math>a,b,c</math> and <math>d</math> are real numbers.
*We can use COMPLEX function to convert real and imaginary number in to a complex number.
*We can use COMPLEX function to convert real and imaginary number in to a complex number.