Whenever there is a negative under the radical sign, it comes out from underneath as i since the problem will contain a square root of -1. When simplifying these radical numbers in terms of i, follow the usual rules for simplifying radicals and treat the i with the rules for working with a variable. Examples:
The location of the Personal Macro Workbook is a little confusing, because older versions of Excel stored it in an XLSTART folder buried inside the Program Files folder. Even though you canât write any files to it, Excel 2007 and Excel 2010 also have XLSTART folders inside the Program Files directory.
Create and update the personal workbook. To create the personal workbook, you first need to create a macro and store it in the Personal Macro Workbook. Before you get started, make sure that the Developer tab is available in the ribbon in Excel. Make the Developer tab visible in Excel 2010. On the File tab, click Options, and then click Customize Ribbon.