What is IMSUB function in Excel?IMSUB function is one of Engineering functions in Microsoft Excel that returns the difference of two complex numbers in x + yi or x + yj text format. Syntax of IMSUB function IMSUB(inumber1, inumber2) The IMSUB function syntax has the following arguments: Inumber1: The complex number from which to subtract inumber2. Inumber2: The complex number to subtract from…