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This video and the exercises revise quadratic number patterns and teach about arithmetic sequences. If you would like to do more revision, look at the Grade 11 section.
Mind Action Series: Mathematics 12 Textbook & Workbook (2013): Relevant sections in Everything Maths: Still want to learn more? Try these links:


Sigma notation can looking scary, but it's actually pretty easy. As long as you know what the sign means, you will be fine.
Mind Action Series: Mathematics 12 Textbook & Workbook (2013): Relevant sections in Everything Maths: Still want to learn more? Try these links:
Video from learn.mindset.co.za


Finding the sum of a series is an important part of this section.
Mind Action Series: Mathematics 12 Textbook & Workbook (2013): Relevant sections in Everything Maths: Still want to learn more? Try these links:
Video from learn.mindset.co.za


And now let's move on to geometric number patterns...
Mind Action Series: Mathematics 12 Textbook & Workbook (2013): Relevant sections in Everything Maths: Still want to learn more? Try these links:
Video from learn.mindset.co.za


And geometric series...
Mind Action Series: Mathematics 12 Textbook & Workbook (2013): Relevant sections in Everything Maths: Still want to learn more? Try these links:
Video from learn.mindset.co.za


And finally, infinite geometric series...
Mind Action Series: Mathematics 12 Textbook & Workbook (2013): Relevant sections in Everything Maths: Still want to learn more? Try these links:
Video from learn.mindset.co.za

Mind Action Series: Mathematics 12 Textbook & Workbook (2013):
Revision Exercise Page 35