Perform the indicated operation(s) and write the result in standard form : (8 + 9i)(2 - i) - (1 - i)(1 + i)

Q: Write the following expression in its simplest terms, without parentheses            (3x + 2)2 –…

A:

Q: The amounts of plastic waste generated in a region during two years were 32,400,000 tons and…

A: Amount of plastic waste generated during two year  were 32,400,000 and 20,300,000  To find total…

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.