In general,įor example, let’s have the sequence 7, 14, 28, 56, 112, 224, 448, ….ġ) Determine if the following given is an example of geometric sequence.įINDING THE NTH TERM OF A GEOMETRIC SEQUENCE Common ratio can be obtained by simply dividing the current term to the previous term. If the common ratio is not present, then the given sequence is not a geometric one. Remember that a geometric sequence always has a common ratio. If an arithmetic sequence has the concept of common difference, a geometric sequence has a common ratio. Geometric sequence has a general form, where a is the first term, r is the common ratio, and n refers to the position of the nth term. The aforementioned number pattern is a good example of geometric sequence. Notice that after the first term, 3, the succeeding terms are generated by multiplying it by 4. Like any other type of sequence, mastering this topic can be a good foundation in understanding functions.Ĭonsider the sequence 3, 12, 48, 192, … Obviously, the value of the terms are increasing and the terms are not increasing randomly but in a specific order.Geometric sequence can enhance the ability of the brain to look for common patterns among numbers.To get this value, find the product of the two terms and get the square root of the answer. MEAN PROPORTIONAL – A term between two terms of a geometric sequence.GEOMETRIC MEANS – These are the terms between any two given terms of a geometric sequence.FINDING THE NTH TERM OF A GEOMETRIC SEQUENCE where is the value of the nth term, is the first term, r is the common ratio, and n is the position of the term.COMMON RATIO- The common ratio, usually denoted as ‘r’, is calculated by dividing any term by the term preceding it.After the first term, the succeeding terms are generated by multiplying to a constant number. GEOMETRIC SEQUENCE/PROGRESSION – It is a type of sequence where each term has a common ratio.To apply the concepts of geometric sequence to solve real-life problems.To find the nth term of a given geometric sequence.To solve for the geometric means and mean proportional.To recognize geometric sequence/progression.
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